{"id":3834,"date":"2023-01-09T10:38:06","date_gmt":"2023-01-09T10:38:06","guid":{"rendered":"https:\/\/7thclass.deltapublications.in\/?page_id=3834"},"modified":"2025-08-21T11:31:28","modified_gmt":"2025-08-21T11:31:28","slug":"s-5-c-neutralisation","status":"publish","type":"page","link":"https:\/\/7thclass.deltapublications.in\/index.php\/s-5-c-neutralisation\/","title":{"rendered":"S-5.c Neutralisation"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Neutralisation<\/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\/DAF-5LoXvCc\/_cLRyzth-h6PEVtLLZfzyA\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAF-5LoXvCc&#x2F;_cLRyzth-h6PEVtLLZfzyA&#x2F;watch?utm_content=DAF-5LoXvCc&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">Neutralization<\/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-color has-large-font-size\" style=\"color:#000060\"><strong>Definition of Neutralization<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Neutralization is a chemical reaction between an acid and a base, resulting in the formation of water and a salt.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Basic Reaction<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Acid + Base \u2192 Salt + Water<\/li>\n\n\n\n<li><strong>Example:<\/strong> Hydrochloric acid (HCl) reacts with sodium hydroxide (NaOH) to form sodium chloride (NaCl) and water (H\u2082O).    <strong>HCl + NaOH \u2192 NaCl + H<sub>2<\/sub>O<\/strong><\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"448\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/Untitled-design-38-1024x448.png\" alt=\"\" class=\"wp-image-13691\" style=\"width:491px;height:auto\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/Untitled-design-38-1024x448.png 1024w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/Untitled-design-38-300x131.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/Untitled-design-38-768x336.png 768w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/Untitled-design-38-1536x672.png 1536w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/Untitled-design-38-1568x686.png 1568w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/Untitled-design-38.png 1700w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>pH Change<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>In neutralization, the pH of the solution moves closer to 7, which is neutral. The acidic or basic nature of the solution is reduced.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Importance of Neutralization<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Neutralization reactions are important in everyday life, such as in antacids neutralizing stomach acid, or in agriculture where lime (a base) is added to acidic soil.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Exothermic Reaction<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Neutralization reactions are usually exothermic, meaning they release heat.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Examples in Everyday Life<\/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=\"579\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-92-1024x579.png\" alt=\"\" class=\"wp-image-16679\" style=\"width:434px;height:auto\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-92-1024x579.png 1024w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-92-300x170.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-92-768x434.png 768w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-92.png 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Antacids<\/strong>: Neutralize excess stomach acid to relieve heartburn.<\/li>\n\n\n\n<li><strong>Toothpaste<\/strong>: Neutralizes acids in the mouth to prevent tooth decay.<\/li>\n\n\n\n<li><strong>Soil Treatment<\/strong>: Lime is used to neutralize acidic soils, improving plant growth.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Indicators in Neutralization<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Indicators like litmus paper or phenolphthalein can be used to show the pH change during neutralization.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"579\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-94-1024x579.png\" alt=\"\" class=\"wp-image-16682\" style=\"width:443px;height:auto\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-94-1024x579.png 1024w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-94-300x170.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-94-768x434.png 768w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-94.png 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Applications in Industry<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Neutralization is used in waste treatment processes to neutralize acidic or basic waste before discharge.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Balanced Equations<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Understanding and writing balanced chemical equations for neutralization reactions is essential for understanding the process.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"579\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-95-1024x579.png\" alt=\"\" class=\"wp-image-16683\" style=\"width:426px;height:auto\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-95-1024x579.png 1024w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-95-300x170.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-95-768x434.png 768w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-95.png 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\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\/76678\/562\/303\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-19.png\" alt=\"\" class=\"wp-image-5896\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-19.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-19-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-19-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-19-400x400.png 400w\" 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\/76706\/914\/386\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-15.png\" alt=\"\" class=\"wp-image-5898\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-15.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-15-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-15-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-15-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Neutralisation Neutralization by Delta publications Key Notes : Definition of Neutralization: Basic Reaction: pH Change: Importance of Neutralization: Exothermic Reaction: Examples in Everyday Life: Indicators in Neutralization: Applications in Industry: Balanced Equations: Let&#8217;s practice!<\/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,"footnotes":""},"class_list":["post-3834","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3834","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3834"}],"version-history":[{"count":23,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3834\/revisions"}],"predecessor-version":[{"id":16861,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3834\/revisions\/16861"}],"wp:attachment":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}