{"id":3159,"date":"2023-01-09T09:48:41","date_gmt":"2023-01-09T09:48:41","guid":{"rendered":"https:\/\/10thclass.deltapublications.in\/?page_id=3159"},"modified":"2025-07-25T11:04:36","modified_gmt":"2025-07-25T11:04:36","slug":"s-2-c-how-strong-are-acid-or-base-solutions","status":"publish","type":"page","link":"https:\/\/10thclass.deltapublications.in\/index.php\/s-2-c-how-strong-are-acid-or-base-solutions\/","title":{"rendered":"s-2.c How Strong Are Acid Or Base Solutions?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>How strong are acid or base solutions<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/08\/How-strong-are-acid-and-base-solution.mp4\"><\/video><\/figure>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-f79afd6ea8b322268468366b8e5f7cc7\" 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-ad0bf9fd990d9cb683b306d5d7b4d811\" style=\"color:#000060;background-color:#f1df3b\"><strong>Strength of Acids and Bases<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>The strength of acids or bases refers to their ability to dissociate into ions in water.<\/li>\n\n\n\n<li><strong>Strong acids<\/strong> (e.g., HCl, H\u2082SO\u2084) and <strong>strong bases<\/strong> (e.g., NaOH, KOH) dissociate completely in water.<\/li>\n<\/ul>\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:50%\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-40.png\" alt=\"\" class=\"wp-image-14978\" style=\"width:246px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-40.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-40-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-40-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-40-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-41.png\" alt=\"\" class=\"wp-image-14979\" style=\"width:243px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-41.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-41-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-41-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-41-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Weak acids<\/strong> (e.g., CH\u2083COOH) and <strong>weak bases<\/strong> (e.g., NH\u2083) dissociate partially in water.<\/li>\n<\/ul>\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:50%\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-42.png\" alt=\"\" class=\"wp-image-14981\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-42.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-42-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-42-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-42-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-44.png\" alt=\"\" class=\"wp-image-14988\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-44.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-44-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-44-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-44-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-9556351f20a91d1e2c25a70f1396e3e8\" style=\"color:#000060;background-color:#f3d73a\"><strong>pH Scale<\/strong>:<\/p>\n\n\n\n<p class=\"has-large-font-size\">The pH scale measures the acidity or basicity of a solution.<\/p>\n\n\n\n<p class=\"has-large-font-size\">It ranges from <strong>0 to 14<\/strong>, where:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>pH &lt; 7<\/strong>: Acidic solutions.<\/li>\n\n\n\n<li><strong>pH = 7<\/strong>: Neutral solutions.<\/li>\n\n\n\n<li><strong>pH &gt; 7<\/strong>: Basic solutions.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-large-font-size\">Lower pH values indicate stronger acids, while higher values indicate stronger bases.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-35-2.png\" alt=\"\" class=\"wp-image-14974\" style=\"width:324px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-35-2.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-35-2-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-35-2-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-35-2-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-bb028d5305744233d7bb59d079083f2b\" style=\"color:#000060;background-color:#edb928\"><strong>Indicators of Strength<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Indicators<\/strong>, such as litmus paper, phenolphthalein, and methyl orange, change color depending on the pH of the solution.<\/li>\n\n\n\n<li>Universal indicators and pH meters provide more precise measurements of pH.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-45.png\" alt=\"\" class=\"wp-image-14989\" style=\"width:264px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-45.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-45-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-45-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-45-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-55b9d715a664ce2518bb5d482866b472\" style=\"color:#000060;background-color:#e6d03d\"><strong>Relation to Hydrogen Ion Concentration<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>pH = -log[H\u207a]<\/strong>, where [H\u207a] is the concentration of hydrogen ions in moles per liter.<\/li>\n\n\n\n<li>A small change in pH corresponds to a large change in hydrogen ion concentration because the pH scale is logarithmic.<\/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-580bb2ccb3b1d2b5bc6bf599c67560cf\" style=\"color:#000060;background-color:#dfc816\"><strong>pOH and Relationship to pH<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>pOH<\/strong> measures hydroxide ion concentration: <strong>pOH = -log[OH\u207b]<\/strong>.<\/li>\n\n\n\n<li>Relationship: <strong>pH + pOH = 14<\/strong> (at 25\u00b0C).<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-background has-link-color has-large-font-size wp-elements-8565bf60bdc88a64a7cc13bd006c7967\" style=\"color:#000060;background-color:#dfc816\"><strong>Neutralization and Titration<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Strong acids neutralize strong bases to form salt and water.<\/li>\n\n\n\n<li><strong>Titration<\/strong> is a method used to determine the concentration of an acid or base by adding a solution of known concentration until neutralization.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-46.png\" alt=\"\" class=\"wp-image-14990\" style=\"width:278px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-46.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-46-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-46-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-46-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-8d0ad4099c057d22998755fb84738101\" style=\"color:#000060;background-color:#dfc816\"><strong>Examples of Applications<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">pH in everyday life: Maintaining body pH, testing soil pH for agriculture, and determining the acidity of food and beverages.<\/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-e2464e7543ed7b1f761b2ecf5e7a4318\" style=\"color:#000060;background-color:#dfc816\"><strong>Effect of Dilution<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">Diluting an acidic or basic solution decreases the concentration of H\u207a or OH\u207b ions, thus increasing or decreasing the pH closer to neutral (7).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-47.png\" alt=\"\" class=\"wp-image-14991\" style=\"width:302px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-47.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-47-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-47-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-47-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-f49daf18f031ccc19718196b9fc58549\" style=\"color:#000060;background-color:#dfc816\"><strong>Buffer Solutions<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Buffers resist changes in pH upon the addition of small amounts of acid or base.<\/li>\n\n\n\n<li>They are crucial in biological systems to maintain stable pH.<\/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-8ce616768d5e989d556783db1dcab3f6\" style=\"color:#000060;background-color:#dfc816\"><strong>Environmental Relevance<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Acid rain has a low pH due to dissolved gases like SO\u2082 and NO\u2082<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-38.png\" alt=\"\" class=\"wp-image-14976\" style=\"width:228px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-38.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-38-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-38-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-38-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Maintaining proper pH levels in water bodies is vital for aquatic life.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-39.png\" alt=\"\" class=\"wp-image-14977\" style=\"width:240px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-39.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-39-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-39-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/Untitled-design-39-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\">Let&#8217;s practice!<\/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\/75883\/532\/891\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-3.png\" alt=\"\" class=\"wp-image-5413\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-3.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-3-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-3-150x150.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\/75897\/652\/164\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-3.png\" alt=\"\" class=\"wp-image-5414\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-3.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-3-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-3-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>How strong are acid or base solutions Key Notes: Strength of Acids and Bases: pH Scale: The pH scale measures the acidity or basicity of a solution. It ranges from 0 to 14, where: Lower pH values indicate stronger acids, while higher values indicate stronger bases. Indicators of Strength: Relation to Hydrogen Ion Concentration: pOH<a class=\"more-link\" href=\"https:\/\/10thclass.deltapublications.in\/index.php\/s-2-c-how-strong-are-acid-or-base-solutions\/\">Continue reading <span class=\"screen-reader-text\">&#8220;s-2.c How Strong Are Acid Or Base Solutions?&#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-3159","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3159","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3159"}],"version-history":[{"count":25,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3159\/revisions"}],"predecessor-version":[{"id":18133,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3159\/revisions\/18133"}],"wp:attachment":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}