{"id":3639,"date":"2023-01-09T10:08:48","date_gmt":"2023-01-09T10:08:48","guid":{"rendered":"https:\/\/9thclass.deltapublications.in\/?page_id=3639"},"modified":"2025-09-06T04:55:14","modified_gmt":"2025-09-06T04:55:14","slug":"s-2-e-what-are-the-types-of-pure-substances","status":"publish","type":"page","link":"https:\/\/9thclass.deltapublications.in\/index.php\/s-2-e-what-are-the-types-of-pure-substances\/","title":{"rendered":"S-2.e What Are The Types Of Pure Substances?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong> What Are The Types Of Pure Substances?<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div style=\"position: relative; width: 100%; height: 0; padding-top: 56.2500%;\n padding-bottom: 0; box-shadow: 0 2px 8px 0 rgba(63,69,81,0.16); margin-top: 1.6em; margin-bottom: 0.9em; overflow: hidden;\n border-radius: 8px; will-change: transform;\">\n  <iframe loading=\"lazy\" style=\"position: absolute; width: 100%; height: 100%; top: 0; left: 0; border: none; padding: 0;margin: 0;\"\n    src=\"https:\/\/www.canva.com\/design\/DAGx_ZsUSIc\/sg8D6RpJ273TvYXwzxZ_Vw\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAGx_ZsUSIc&#x2F;sg8D6RpJ273TvYXwzxZ_Vw&#x2F;watch?utm_content=DAGx_ZsUSIc&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">What Are The Types Of Pure Substances?<\/a> by Delta publications\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-color has-huge-font-size\" style=\"color:#74008b\"><strong>Key Notes:<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-7624f3b4e137aaa674aeaf129d884f2d\" style=\"color:#000060;background-color:#dfc816\"><strong>Definition of Pure Substances<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Pure substances consist of only one type of particle (atoms or molecules).<\/li>\n\n\n\n<li>They have a uniform and definite composition throughout.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-b29c02ff471e773d46366c71d91076a9\" style=\"color:#000060;background-color:#dfc816\"><strong>Types of Pure Substances<\/strong>:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-52-1024x576.png\" alt=\"\" class=\"wp-image-16058\" style=\"width:457px;height:auto\" srcset=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-52-1024x576.png 1024w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-52-300x169.png 300w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-52-768x432.png 768w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-52.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Elements<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Made up of only one type of atom.<\/li>\n\n\n\n<li>Cannot be broken down into simpler substances by chemical means.<\/li>\n\n\n\n<li>Examples: Oxygen (O\u2082), Gold (Au), Hydrogen (H\u2082).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Compounds<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Formed by the chemical combination of two or more elements in a fixed ratio.<\/li>\n\n\n\n<li>Can be broken down into simpler substances by chemical means.<\/li>\n\n\n\n<li>Examples: Water (H\u2082O), Sodium Chloride (NaCl), Carbon Dioxide (CO\u2082).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-31dd56ed14fc7603c7ccc18352c3679c\" style=\"color:#000060;background-color:#dfc816\"><strong>Characteristics of Elements<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Exist as metals, non-metals, and metalloids.<\/li>\n\n\n\n<li>Examples:\n<ul class=\"wp-block-list\">\n<li><strong>Metals<\/strong>: Iron (Fe), Aluminum (Al).<\/li>\n\n\n\n<li><strong>Non-Metals<\/strong>: Carbon (C), Sulfur (S).<\/li>\n\n\n\n<li><strong>Metalloids<\/strong>: Boron (B), Silicon (Si).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-2ccd959f3121ae216c4f42ef45753467\" style=\"color:#000060;background-color:#dfc816\"><strong>Characteristics of Compounds<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Have properties different from their constituent elements.<\/li>\n\n\n\n<li>Always combine in a fixed ratio by mass (Law of Definite Proportions).<\/li>\n\n\n\n<li>Examples:\n<ul class=\"wp-block-list\">\n<li><strong>Water (H\u2082O)<\/strong>: Made of hydrogen and oxygen, but different properties from both.<\/li>\n\n\n\n<li><strong>Carbon Dioxide (CO\u2082)<\/strong>: Combines carbon and oxygen in a 1:2 ratio.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-c42eb491ec7ad3e6c1ddef65cf57bbc0\" style=\"color:#000060;background-color:#dfc816\"><strong>Differences Between Elements and Compounds<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Property<\/strong><\/th><th><strong>Elements<\/strong><\/th><th><strong>Compounds<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Composition<\/strong><\/td><td>One type of atom<\/td><td>Two or more types of atoms<\/td><\/tr><tr><td><strong>Separation Methods<\/strong><\/td><td>Cannot be broken down<\/td><td>Can be broken into elements<\/td><\/tr><tr><td><strong>Examples<\/strong><\/td><td>Oxygen (O\u2082), Copper (Cu)<\/td><td>Water (H\u2082O), Sodium Chloride (NaCl)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-a616288c1dcb095b33884b0e1c2cf8a5\" style=\"color:#000060;background-color:#dfc816\"><strong>Importance of Pure Substances<\/strong>:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"639\" src=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/5ca634b7-ad9b-4e0f-859e-0efcf035a5ed.png\" alt=\"\" class=\"wp-image-16062\" style=\"width:508px;height:auto\" srcset=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/5ca634b7-ad9b-4e0f-859e-0efcf035a5ed.png 1024w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/5ca634b7-ad9b-4e0f-859e-0efcf035a5ed-300x187.png 300w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/5ca634b7-ad9b-4e0f-859e-0efcf035a5ed-768x479.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Used in scientific research for consistency.<\/li>\n\n\n\n<li>Essential in manufacturing, like making medicines and alloys.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-90478a3cd8fc98bcd6fbc67fd06cc7fb\" style=\"color:#000060;background-color:#dfc816\"><strong>Testing Purity<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Pure substances have specific melting and boiling points.<\/li>\n\n\n\n<li>Impurities alter these properties.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-a0a5075522d8a45c9671723e5108aab6\" style=\"color:#000060;background-color:#dfc816\"><strong>Everyday Examples<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Elements: Aluminum foil, oxygen gas.<\/li>\n\n\n\n<li>Compounds: Salt in food, sugar in drinks.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group has-large-font-size\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/75884\/619\/417\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-9.png\" alt=\"\" class=\"wp-image-6364\" srcset=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-9.png 500w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-9-300x300.png 300w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-9-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/75914\/153\/199\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-10.png\" alt=\"\" class=\"wp-image-6365\" srcset=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-10.png 500w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-10-300x300.png 300w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-10-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>What Are The Types Of Pure Substances? What Are The Types Of Pure Substances? by Delta publications Key Notes: Definition of Pure Substances: Types of Pure Substances: Characteristics of Elements: Characteristics of Compounds: Differences Between Elements and Compounds: Property Elements Compounds Composition One type of atom Two or more types of atoms Separation Methods Cannot<a class=\"more-link\" href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-2-e-what-are-the-types-of-pure-substances\/\">Continue reading <span class=\"screen-reader-text\">&#8220;S-2.e What Are The Types Of Pure Substances?&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3639","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3639","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3639"}],"version-history":[{"count":24,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3639\/revisions"}],"predecessor-version":[{"id":17638,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3639\/revisions\/17638"}],"wp:attachment":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}