{"id":2247,"date":"2022-12-20T14:07:10","date_gmt":"2022-12-20T14:07:10","guid":{"rendered":"https:\/\/blog.praxilabs.com\/?p=2247"},"modified":"2025-10-22T12:43:40","modified_gmt":"2025-10-22T12:43:40","slug":"separating-mixtures","status":"publish","type":"post","link":"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/","title":{"rendered":"Separating Mixtures| Learn How to Get Fresh Water From Sea Water"},"content":{"rendered":"<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Have you ever thought about how we can get fresh water from sea water? Or how can we get the skim milk? Or how is blood separated into its four components in hospitals and blood banks?<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Sand and water\/ Cereal and milk\/ Sugar and salt\/ Salt and water\/ Water and ethanol\/ Water and pepper\/ Cement\/ Blood, all of these are examples of mixtures that can be separated by physical methods. We can find many examples of mixtures around us in our daily life.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">In this article, we will discuss mixtures and separating mixtures techniques.<\/span><\/p>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4905 size-full aligncenter\" src=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-2.webp\" alt=\"Mixtures\" width=\"275\" height=\"183\" \/><\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\r\n<div class=\"ez-toc-title-container\">\r\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\r\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\r\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#What_is_Meant_by_Mixtures\" >What is Meant by Mixtures?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Types_of_Mixtures_in_Nature\" >Types of Mixtures in Nature<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Colloidal_Mixtures\" >Colloidal Mixtures<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Solution_Mixtures\" >Solution Mixtures<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Suspension_Mixtures\" >Suspension Mixtures<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Emulsion_Mixtures\" >Emulsion Mixtures<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Mixtures_Characteristics_You_Cant_miss\" >Mixtures Characteristics You Can&#8217;t miss<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Separating_Mixtures_Examples\" >Separating Mixtures Examples<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Methods_of_Separating_Mixtures\" >Methods of Separating Mixtures<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Distillation_%E2%80%93_Separating_Mixtures\" >Distillation &#8211; Separating Mixtures<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Separating_Mixtures_%E2%80%93_Filtration\" >Separating Mixtures &#8211; Filtration<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Examples_of_Filtration_in_Separating_Mixtures\" >Examples of Filtration in Separating Mixtures<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Types_of_Mixtures_That_Can_Be_Separated_By_Filtration\" >Types of Mixtures That Can Be Separated By Filtration<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Magnetism_%E2%80%93_Separating_Mixtures\" >Magnetism &#8211; Separating Mixtures<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Chromatography_Separating_Mixtures\" >Chromatography Separating Mixtures<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Chromatography_Separating_Mixtures_Steps\" >Chromatography Separating Mixtures Steps<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Separating_Mixtures_Experiment_from_PraxiLabs\" >Separating Mixtures Experiment from PraxiLabs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#_Separating_Mixtures_Activity\" >\u00a0Separating Mixtures Activity<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Materials_needed\" >Materials needed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/12\/20\/separating-mixtures\/#Experimental_Procedure\" >Experimental Procedure<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\r\n<h2><span class=\"ez-toc-section\" id=\"What_is_Meant_by_Mixtures\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>What is Meant by Mixtures?<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Mixtures are materials that consist of 2 or more substances which don&#8217;t combine or mix together by the chemical methods (no chemical reactions happen between the components). Any matter that is not a mixture is a pure matter.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">If you look around, you will find many mixtures everywhere, like the air we breathe, our earth, the ground and the water of oceans, sea and rivers. The air is a mixture of gasses like oxygen, CO2, nitrogen and more. While the water of the sea and oceans are mixtures of salt, natural water and other minerals.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">The most distinctive property of mixtures is the ability to separate each component easily by physical methods and without any <a href=\"https:\/\/praxilabs.com\/en\/blog\/2022\/06\/26\/9-vital-chemistry-laws-and-formulas\/\"><strong>chemical changes<\/strong><\/a>. Each substance or component retains its individual chemical and physical properties without any changes.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">So we can say that the process of separating mixtures is just a mechanical separating process as each component does not share any chemical bonds.<\/span><\/p>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4906 size-full aligncenter\" src=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-3.webp\" alt=\"Types of Mixtures in Nature\" width=\"600\" height=\"315\" srcset=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-3.webp 600w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-3-300x158.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Types_of_Mixtures_in_Nature\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><strong>Types of Mixtures in Nature<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">There are many types of mixtures, and each type has its own unique properties.<\/span><\/p>\n<ul>\n<li>\n<h3><span class=\"ez-toc-section\" id=\"Colloidal_Mixtures\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Colloidal Mixtures<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">\u00a0In a colloidal mixture, the particles are so small that they cannot be separated from the solution by filtration or centrifugation. These mixtures typically consist of two or more substances dissolved in a liquid solvent. Some examples of colloidal mixtures are milk, gelatin, paint, and water.<\/span><\/p>\n<ul>\n<li>\n<h3><span class=\"ez-toc-section\" id=\"Solution_Mixtures\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Solution Mixtures<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">\u00a0In a solution mixture, the substances are not dissolved completely in the liquid solvent. Instead, they form small particles that are suspended in the liquid. As a result, these solutions can be separated by filtration or <a href=\"https:\/\/www.sciencedirect.com\/topics\/agricultural-and-biological-sciences\/centrifugation#:~:text=Abstract,in%20the%20molecular%20biology%20laboratory.\" target=\"_blank\" rel=\"noopener\">centrifugation<\/a>. Examples of solution mixtures are water with sugar and salt, vinegar and oil, and blood and plasma.<\/span><\/p>\n<ul>\n<li>\n<h3><span class=\"ez-toc-section\" id=\"Suspension_Mixtures\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Suspension Mixtures<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">\u00a0In a suspension mixture, the substances are evenly dispersed throughout the liquid solvent. As a result, the suspension can be easily separated by filtration or centrifugation. Examples of suspension mixtures are toothpaste, concrete, and clay.<\/span><\/p>\n<ul>\n<li>\n<h3><span class=\"ez-toc-section\" id=\"Emulsion_Mixtures\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Emulsion Mixtures<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">In an emulsion mixture, the two substances are evenly distributed throughout the liquid solvent, but the liquids do not mix completely. As a result, the mixture can be separated into two parts by the addition of a small amount of liquid to the solvent. Examples of emulsion mixtures are shampoo and mayonnaise.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mixtures_Characteristics_You_Cant_miss\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><strong>Mixtures Characteristics You Can&#8217;t miss<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Before talking about separating mixtures we want to make sure you know the following mixtures characteristics:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><span style=\"font-weight: 400;\">The components of the mixture which are 2 substances or more and found together can be heterogeneous or<\/span> <span style=\"font-weight: 400;\">homogeneous in nature.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">There is no force acting between the substances of mixture.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">The properties of each component or substance determine the properties of the whole mixture.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Only physical methods are used for separating mixtures into their dissolved individual substances.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Mixture properties like melting point and boiling point are determined by the individual substances\u00a0 properties (melting and boiling points).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Matters or substances in solid or liquid or gas state can combine together and form the mixture.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">During the formation of the mixture, there is no change in the energy.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Each individual substance of a mixture retains its original chemical and physical properties without any changes.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Each component of a mixture can be found in any ratio (varies proportions).<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4907 size-full aligncenter\" src=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-4.webp\" alt=\"separating mixtures example\" width=\"300\" height=\"300\" srcset=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-4.webp 300w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-4-150x150.webp 150w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Separating_Mixtures_Examples\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Separating Mixtures Examples<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Mixtures are easier to be separated than any pure substances. For example, if we have a mixture of some nails have been dropped into a sandpit and they can\u2019t be seen clearly. One methods of separating the nails from this mixture is by using a magnet as it can attract the steel nails. This works because the sand and nails differ in their properties as the steel nails is attracted to the magnets.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Another example for more understanding what is &#8220;separating mixtures&#8221;:<\/span><\/p>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4908 size-medium aligncenter\" src=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-5-300x230.webp\" alt=\"separating mixtures\" width=\"300\" height=\"230\" srcset=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-5-300x230.webp 300w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-5.webp 768w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">\u00a0It is not possible to separate the plastic beads and sand with a magnet. The key to separating them is recognizing the different properties of the plastic beads and the sand. An obvious difference is size. The plastic beads are much bigger than grains of sand. A simple sand sieve would do the trick.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Methods_of_Separating_Mixtures\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Methods of Separating Mixtures<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Because any mixture tends to come in different forms, scientists create several methods of separating mixtures that are used to segregate or separate a mixture of substances into its individual components and another important purpose for separating mixtures process is removing the unwanted materials and obtaining only the useful and wanted components.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Mixtures can be separated by using several of the following methods:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Filtration.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Distillation.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Condensation.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Magnetism.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Chromatography.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Note:<\/b><span style=\"font-weight: 400;\"> There are many methods of separating mixtures we use in our daily life like handpicking, winnowing, sieving and threshing.<\/span><\/span><\/p>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4909 size-full\" src=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-6.webp\" alt=\"Distillation\" width=\"220\" height=\"229\" \/><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Distillation_%E2%80%93_Separating_Mixtures\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Distillation &#8211; Separating Mixtures<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Distillation is a separating mixtures technique that is used mainly to extract a mixture of solid found in a liquid. Distillation is suitable in the case of extraction of both liquids and solids from the solution. The simple distillation is the method that is based on the differences between the corresponding vapor pressures and volatility which are found in the components of a mixture.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">The most common 4 types of distillation separating mixtures techniques are simple distillation, steam distillation, fractional distillation, and vacuum distillation.<\/span><\/p>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Simple distillation process depends on the following steps:<\/b><\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">First, heating the liquid mixture in order to form vapors.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Then, condensing the precious resulting vapors to get back a new liquid. This new liquid which is obtained by the process of condensation is known as distillate.<\/span><\/p>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Note: <\/b><span style=\"font-weight: 400;\">there are 2 main types of liquids (miscible liquids and immiscible liquids).<\/span><\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">In the miscible one, liquids mix together and form a solution (ex: ethanol and water). But in the case of immiscible ones, liquids don\u2019t mix well together like a mix of oil and water.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Distillation method is used for the miscible liquids separation which have sufficient difference in their boiling points and can be boiled without decomposition.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">So we can say that distillation is a separation method that is used to extract a mixture of compounds in the solid phase present in a liquid phase. It involves heating of a liquid sample at constant pressure with respect to its boiling point, until all its components are either boiled out of it or condensed.<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>PraxiLabs is the best platform to simulate <a href=\"https:\/\/praxilabs.com\/en\/3d-science-simulations\">3D science experiments<\/a> in Physics, Chemistry and Biology.<\/b><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4910 size-full aligncenter\" src=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-7.webp\" alt=\"Filtration\" width=\"226\" height=\"223\" \/><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Separating_Mixtures_%E2%80%93_Filtration\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Separating Mixtures &#8211; Filtration<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Filtration is a separation method used mainly for separating mixtures that contain non dissociated solid in a liquid. It can be also used for removing impurities from the mixture. The filtration method is probably the most common one. It involves using some type of material that separates the various substances. Filtration can be done in many ways depending on the substance you are trying to separate and the material you are using.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Filtration is the most common technique of separating insoluble solid from liquid.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">The process of separating mixtures through filtration can be done by many techniques (depending on the purpose of filtration) like simple glass funnel method, <a href=\"https:\/\/en.wikipedia.org\/wiki\/B%C3%BCchner_funnel\" target=\"_blank\" rel=\"noopener\">Buchner funnel<\/a> method, or <a href=\"https:\/\/praxilabs.com\/en\/blog\/2021\/02\/24\/applications-of-newtons-laws-of-motion-in-daily-life\/#Newtons_Law_of_Universal_Gravitation\">gravity method<\/a>, or vacuum method.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">So we can say that filtration is the process of separating a fluid mixture by flowing it through a filter medium that retains particles smaller than the openings of the filter and this differs from evaporation in that the fluid remains a liquid during filtration.<\/span><\/p>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4911 size-full\" src=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-8.webp\" alt=\"wastewater treatment filter\" width=\"303\" height=\"166\" srcset=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-8.webp 303w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-8-300x164.webp 300w\" sizes=\"auto, (max-width: 303px) 100vw, 303px\" \/><\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Examples_of_Filtration_in_Separating_Mixtures\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Examples of Filtration in Separating Mixtures<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><span style=\"font-weight: 400;\">Filtration method enables us to separate liquids of different densities using different filtering mediums. For example, in wastewater treatment, water and organic matter are filtered out by using different filters.<\/span><\/span><\/p>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><span style=\"font-weight: 400;\">In pharmaceutical manufacturing, oils and solid particles are separated from water-based fluids through the use of a filtration system. Oil and water are both immiscible, meaning they cannot mix freely with each other. This causes oil to sink to the bottom of any container it is placed in, while the water stays at the top. During filtration, the denser oil sinks to the bottom and the lighter water rises to the top. Then, the separation continues through a pipe at the bottom of the container where the water flows out while the oil is retained in the container. This process is called gravity filtration.<\/span><\/span><\/p>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><span style=\"font-weight: 400;\">An example of filtration in separating mixtures from our daily life is using coffee filters or tea bags. The filtration of mixture made from sand and water is another example of filtration.<\/span><\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Types_of_Mixtures_That_Can_Be_Separated_By_Filtration\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Types of Mixtures That Can Be Separated By Filtration<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><span style=\"font-weight: 400;\">Solid and liquid mixture.<\/span><\/span><\/li>\n<li><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><span style=\"font-weight: 400;\">Solid and solid mixture.<\/span><\/span><\/li>\n<li><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><span style=\"font-weight: 400;\">Solid and gas mixture.<\/span><\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">The following video shows the steps of separating mixtures filtration in detail.<\/span><\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/FmZrbajuUXw\" width=\"560\" height=\"314\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Magnetism_%E2%80%93_Separating_Mixtures\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Magnetism &#8211; Separating Mixtures<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4912 size-full\" src=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-9.webp\" alt=\"Magnetism\" width=\"1024\" height=\"299\" srcset=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-9.webp 1024w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-9-300x88.webp 300w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-9-768x224.webp 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">You may be wondering now, how can magnetism be used to separate mixtures?<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Magnetism as a separating mixtures technique can be used in case of separating two solids which one of them has magnetic properties. Depending on the difference in magnetic property of the mixture compound the process of separation is done.<\/span><\/p>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><span style=\"font-weight: 400;\">In this method,<\/span> <span style=\"font-weight: 400;\">strong magnets are used to separate magnetic substances. The substance with magnetic property attracts to the magnet and separates from the whole mixture.<\/span><\/span><\/p>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>For example: <\/b><span style=\"font-weight: 400;\">sulfur and iron mixture.<\/span><\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Magnetism separating mixtures technique is used in the process of iron bearing minerals removal from silica sand for the production of glass.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Chromatography_Separating_Mixtures\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Chromatography Separating Mixtures<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Chromatography separating mixtures is considered as one of the most important and simple techniques used for separating mixtures.<\/span><\/p>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4913 size-medium\" src=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-10-300x238.webp\" alt=\"Chromatography\" width=\"300\" height=\"238\" srcset=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-10-300x238.webp 300w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-10.webp 768w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Chromatography separating mixtures method can be used in the following cases:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Separating mixtures of liquids.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Separating mixtures of solids.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Separating mixtures of liquids and solids combined together.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><span style=\"font-weight: 400;\">Separating mixtures of gasses<\/span><b>.<\/b><\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">The chromatography consists of 2 main elements or phases, the stationary phase and the mobile phase. The stationary phases can be made from alumina or silica gel or paper. The mobile phase is often either a solvent or a mixture of more than one solvent that should be chosen carefully to succeed the process.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chromatography_Separating_Mixtures_Steps\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Chromatography Separating Mixtures Steps<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">First, place the mixture you want to separate on the stationary phase.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Then, the mobile phase will pass through the mixture and also through the stationary phase carrying along the constituents of the mixture.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">In the case of a constituent with greater affinity for the mobile phase than the stationary one, the constituent will be carried easily with the mobile phase.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">In case of a constituent with greater affinity for the stationary phase than the mobile one, the constituent won\u2019t be carried easily with the mobile phase.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">The principle of separation here depends on the difference affinity of the mixture constituents for the mobile and stationary phases.<\/span><\/p>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>\u00a0Note:<\/b><span style=\"font-weight: 400;\"> the previous principle is the basic technique for the following types of chromatography: TLC or Thin layer chromatography, Gas chromatography, Column chromatography and High-performance liquid chromatography.<\/span><\/span><\/p>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4914 size-full\" src=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-11.webp\" alt=\"Separating Mixtures Experiment from PraxiLabs\" width=\"370\" height=\"270\" srcset=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-11.webp 370w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-11-300x219.webp 300w\" sizes=\"auto, (max-width: 370px) 100vw, 370px\" \/><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Separating_Mixtures_Experiment_from_PraxiLabs\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Separating Mixtures Experiment from PraxiLabs<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">PraxiLabs provides a <a href=\"https:\/\/praxilabs.com\/en\/3d-simulations\/high-performance-liquid-chromatography-virtual-lab-simulation\">High-performance liquid chromatography<\/a> virtual lab which is considered as an example of separating mixtures virtual lab.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">A high-performance liquid chromatography (HPLC) system is an analytical method that separates, identifies, and quantifies compounds in mixtures. HPLC uses a high-performance liquid chromatography column to separate samples. The columns contain a stationary phase of stationary particles, usually silica gel particles or a polymeric material coated with silane or some similar chemical. The mobile phase flows through the column at a constant rate and carries sample components away from the injection port and into the column packed with particles. Like all liquid chromatography techniques, HPLC can separate compounds using different types of interactions between analytes and stationary phases.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">High-performance liquid chromatography experiment from PraxiLabs is used for separation and detection of amino acids in a tissue.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">This separating mixture virtual experiment has been designed to provide a basic understanding of the principle and applications of high performance liquid chromatography (HPLC). The simulation is intended for students with little or no previous knowledge of this technique. The following points will be covered:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><span style=\"font-weight: 400;\">\u00a0<\/span><span style=\"font-weight: 400;\">Basic Theory and Principles of HPLC.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><span style=\"font-weight: 400;\">\u00a0<\/span><span style=\"font-weight: 400;\">Preparing a Mobile Phase.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><span style=\"font-weight: 400;\">\u00a0<\/span><span style=\"font-weight: 400;\">Preparing a Sample Solution for HPLC.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><span style=\"font-weight: 400;\">\u00a0<\/span><span style=\"font-weight: 400;\">Using Size Exclusion Columns in HPLC.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><span style=\"font-weight: 400;\">\u00a0<\/span><span style=\"font-weight: 400;\">Sample derivatization\/ injection by Performing online OPA\/FMOC<\/span><\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4915 size-full\" src=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-12.webp\" alt=\"\u00a0Separating Mixtures Activity\" width=\"350\" height=\"440\" srcset=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-12.webp 350w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Separating-Mixtures-12-239x300.webp 239w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"_Separating_Mixtures_Activity\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><span style=\"font-weight: 400;\">\u00a0<\/span><b>Separating Mixtures Activity<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">This is an activity to help students learn how to:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Explore the different properties of matter than enable mixtures to be separated.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Demonstrate the separation of mixtures through filtration and evaporation.\u00a0\u00a0<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Materials_needed\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Materials needed<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Salt.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Spoon.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Coffee filters.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Water.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Cups.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Sand.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Straw.\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Experimental_Procedure\"><\/span><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>Experimental Procedure<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Stir a spoonful of sand into a half a cup of warm water. What happens to the sand? Record your observations.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">In another cup, stir a spoonful of salt into a half a cup of warm water. What happens to the salt? Record your observations.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Stick the straw into the salt water mixture. Take a small sip. What does it taste like? What does this prove about the salt?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Look at the sand mixture and the salt mixture. How are the mixtures different? Record your observations. Do you think the mixtures can be separated?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Place a coffee filter over one of the empty cups. Carefully and slowly pour the sand mixture into the filter. Record your observations. What happens to the water and the sand?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Try the same filtering method with the sand water. What happened? Taste the \u201cfiltered\u201d salt water again with a straw. What do you notice about the taste?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Pour a small amount of salt water into another cup. Set it on a windowsill and observe it every day for a few days. Record your observations. After the water is gone, what is left behind?<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400; font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Source: <a href=\"https:\/\/www.education.com\/science-fair\/article\/separating-mixtures\/\" target=\"_blank\" rel=\"noopener\">Education.com<\/a><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\"><b>PraxiLabs <a href=\"https:\/\/praxilabs.com\/en\/virtual-chemistry-lab\">virtual chemistry lab<\/a> provides more than 50 simulations in chemistry that you can access anytime and anywhere.<\/b><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><a href=\"https:\/\/praxilabs.com\/en\/pricing\"><b>Pick the Best Virtual Plan For You<\/b><\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Have you ever thought about how we can get fresh water from sea water? Or how can we get the skim milk? Or how is blood separated into its four components in hospitals and blood banks? Sand and water\/ Cereal and milk\/ Sugar and salt\/ Salt and water\/ Water and ethanol\/ Water and pepper\/ Cement\/ &hellip;<\/p>\n","protected":false},"author":8,"featured_media":4594,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"no","footnotes":""},"categories":[3,4],"tags":[],"class_list":["post-2247","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-chemistry","category-physics"],"modified_by":"Muhamed Elmesery","_links":{"self":[{"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/posts\/2247","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/comments?post=2247"}],"version-history":[{"count":9,"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/posts\/2247\/revisions"}],"predecessor-version":[{"id":5455,"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/posts\/2247\/revisions\/5455"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/media\/4594"}],"wp:attachment":[{"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/media?parent=2247"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/categories?post=2247"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/tags?post=2247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}