{"id":130761,"date":"2022-03-03T23:46:10","date_gmt":"2022-03-03T18:16:10","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=130761"},"modified":"2025-06-18T16:23:50","modified_gmt":"2025-06-18T10:53:50","slug":"introduction-and-method-of-hand-picking-and-sieving","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/evs\/class-6\/seperation-and-substances\/introduction-and-method-of-handpicking-and-sieving\/","title":{"rendered":"Introduction and Method of Hand-picking and Sieving"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/evs\/class-6\/seperation-and-substances\/introduction-and-method-of-handpicking-and-sieving\/#Table_of_Contents\" title=\"Table of Contents\">Table of Contents<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/evs\/class-6\/seperation-and-substances\/introduction-and-method-of-handpicking-and-sieving\/#Separation_methods\" title=\"Separation methods.\">Separation methods.<\/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:\/\/infinitylearn.com\/surge\/evs\/class-6\/seperation-and-substances\/introduction-and-method-of-handpicking-and-sieving\/#Which_are_the_different_separation_methods\" title=\"Which are the different separation methods?\">Which are the different separation methods?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/evs\/class-6\/seperation-and-substances\/introduction-and-method-of-handpicking-and-sieving\/#What_is_Handpicking\" title=\"What is Handpicking?\">What is Handpicking?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/evs\/class-6\/seperation-and-substances\/introduction-and-method-of-handpicking-and-sieving\/#What_is_Sieving\" title=\"What is Sieving?\">What is Sieving?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Table_of_Contents\"><\/span><strong>Table of Contents<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Separation methods<\/li>\n<li>Hand-picking<\/li>\n<li>Sieving<\/li>\n<li>Summary<\/li>\n<li>Did You Know?<\/li>\n<li>What\u2019s Next?<\/li>\n<\/ul>\n<p>In the first segment of the chapter \u2018Separation of Substances\u2019, we will learn about a few<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Separation_methods\"><\/span>Separation methods.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Which_are_the_different_separation_methods\"><\/span>Which are the different separation methods?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>There are several methods that are usually employed to separate substances. The method chosen depends upon what needs to be separated and it is being separated from which substance.<\/p>\n<p>The various separation methods are:<\/p>\n<ul>\n<li>Handpicking<\/li>\n<li>Sieving<\/li>\n<li>Threshing<\/li>\n<li>Winnowing<\/li>\n<li>Sedimentation<\/li>\n<li>Decantation<\/li>\n<li>Filtration<\/li>\n<li>Evaporation<\/li>\n<li>Condensation<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"What_is_Handpicking\"><\/span>What is Handpicking?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Handpicking is a separation method in which the components of a mixture can be separated by just picking them out by hands. This method is employed to separate solid particles from other solid particles.<\/p>\n<p>For example, Separating hunks and stones from the rice grains before the rice is cooked.<\/p>\n<p>Though it is a cumbersome process, it is a very efficient method if done carefully and meticulously.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_Sieving\"><\/span>What is Sieving?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A sieving method is a technique used to separate particles of different sizes.<\/p>\n<p>This process is usually done by passing a suspension of particles through a mesh or screen with a certain size opening. The particles that are able to pass through the mesh are the ones that are smaller in size than the mesh size.<\/p>\n<p>The particles that are too large to pass through the mesh are the ones that are larger in size than the mesh size.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Table of Contents Separation methods Hand-picking Sieving Summary Did You Know? What\u2019s Next? In the first segment of the chapter [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Introduction and Method of Hand-picking and Sieving","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"Introduction and Method of Hand-picking and Sieving | Class 6 EVS Seperation and Substances","custom_permalink":"evs\/class-6\/seperation-and-substances\/introduction-and-method-of-handpicking-and-sieving\/"},"categories":[53,59],"tags":[],"table_tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Introduction and Method of Hand-picking and Sieving - Infinity Learn by Sri Chaitanya<\/title>\n<meta name=\"description\" content=\"Introduction and Method of Hand-picking and Sieving | Class 6 EVS Seperation and Substances\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/infinitylearn.com\/surge\/evs\/class-6\/seperation-and-substances\/introduction-and-method-of-handpicking-and-sieving\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Introduction and Method of Hand-picking and Sieving - 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