{"id":3036,"date":"2026-06-22T10:37:03","date_gmt":"2026-06-22T05:07:03","guid":{"rendered":"https:\/\/mymockmate.com\/notes\/?p=3036"},"modified":"2026-06-22T10:37:07","modified_gmt":"2026-06-22T05:07:07","slug":"class-10-science-chapter-2-acids-bases-and-salts-solutions","status":"publish","type":"post","link":"https:\/\/mymockmate.com\/notes\/class-10-science-chapter-2-acids-bases-and-salts-solutions\/","title":{"rendered":"Class 10 Science Chapter 2 Acids Bases and Salts Solutions"},"content":{"rendered":"<div class=\"mymoc-top mymoc-entity-placement\" id=\"mymoc-2258603245\"><div id=\"mymoc-1397734607\"><a href=\"https:\/\/amzn.to\/4ehRB6n\" aria-label=\"printers\"><img src=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/printers.png\" alt=\"\" srcset=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/printers.png 1303w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/printers-300x73.png 300w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/printers-1024x250.png 1024w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/printers-768x187.png 768w\" sizes=\"(max-width: 1303px) 100vw, 1303px\" width=\"1303\" height=\"318\"><\/a><\/div><\/div><div class=\"pdfprnt-buttons pdfprnt-buttons-post pdfprnt-top-bottom-right\"><a href=\"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/3036?print=print\" class=\"pdfprnt-button pdfprnt-button-print\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/mymockmate.com\/notes\/wp-content\/plugins\/pdf-print\/images\/print.png\" alt=\"image_print\" title=\"Print Content\"><span class=\"pdfprnt-button-title pdfprnt-button-print-title\">Print<\/span><\/a> <span class=\"pdfprnt-count-generation\">3<\/span><\/div>\n<h1 class=\"wp-block-heading\">Short Intro<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">This article provides complete NCERT solutions for Class 10 Science Chapter 2 &ldquo;Acids, Bases and Salts&rdquo;. All questions are explained with step-by-step solutions, important concepts, formulas, exam tips, common mistakes, MCQs, and FAQs for better understanding and exam preparation.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Quick Information Box<\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Particular<\/th><th>Details<\/th><\/tr><tr><td>Class<\/td><td>10<\/td><\/tr><tr><td>Subject<\/td><td>Science<\/td><\/tr><tr><td>Chapter<\/td><td>2<\/td><\/tr><tr><td>Chapter Name<\/td><td>Acids, Bases and Salts<\/td><\/tr><tr><td>Board<\/td><td>CBSE \/ State Boards<\/td><\/tr><tr><td>Important Topics<\/td><td>Acids, Bases, Salts, pH Scale, Neutralisation<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\">Concepts Used (Topics Covered)<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Properties of Acids and Bases<\/li>\n\n\n\n<li>Indicators<\/li>\n\n\n\n<li>Reactions of Acids with Metals<\/li>\n\n\n\n<li>Reactions with Metal Carbonates<\/li>\n\n\n\n<li>Neutralisation Reactions<\/li>\n\n\n\n<li>pH Scale<\/li>\n\n\n\n<li>Strength of Acids and Bases<\/li>\n\n\n\n<li>Common Salt and Its Products<\/li>\n\n\n\n<li>Baking Soda<\/li>\n\n\n\n<li>Washing Soda<\/li>\n\n\n\n<li>Bleaching Powder<\/li>\n\n\n\n<li>Plaster of Paris<\/li>\n\n\n\n<li>Water of Crystallisation<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Important Formulas<\/h1>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Acid + Metal &rarr; Salt + H&#8322;&uarr;<\/li>\n\n\n\n<li>Acid + Base &rarr; Salt + Water<\/li>\n\n\n\n<li>Acid + Metal Carbonate &rarr; Salt + CO&#8322; + Water<\/li>\n\n\n\n<li>HCl + NaOH &rarr; NaCl + H&#8322;O<\/li>\n\n\n\n<li>Zn + H&#8322;SO&#8324; &rarr; ZnSO&#8324; + H&#8322;<\/li>\n\n\n\n<li>CaCO&#8323; + 2HCl &rarr; CaCl&#8322; + CO&#8322; + H&#8322;O<\/li>\n\n\n\n<li>2NaHCO&#8323; &rarr; Na&#8322;CO&#8323; + H&#8322;O + CO&#8322;<\/li>\n<\/ol>\n\n\n\n<h1 class=\"wp-block-heading\">NCERT Exercise Solutions<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Question 1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A solution turns red litmus blue. Its pH is likely to be?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Red litmus turning blue indicates a base.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">pH of bases is greater than 7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Among the options, 10 is greater than 7.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">(d) 10<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\">Question 2<\/h2>\n\n\n\n<div class=\"internal-linking-related-contents\"><a href=\"https:\/\/mymockmate.com\/notes\/ncert-class-10-maths-real-number-exercise-1-2-solutions-mymockmate\/\" class=\"template-2\"><span class=\"cta\">Related Topic to Read more<\/span><span class=\"postTitle\">NCERT Class 10 Maths Real Number Exercise 1.2 Solutions |  MyMockMate<\/span><\/a><\/div><p class=\"wp-block-paragraph\">A solution reacts with crushed egg-shells and gives a gas that turns lime water milky.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Egg-shells contain calcium carbonate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Acids react with carbonates to produce CO&#8322;.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CO&#8322; turns lime water milky.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">(b) HCl<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\">Question 3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">10 mL NaOH is neutralised by 8 mL HCl. How much HCl is needed for 20 mL NaOH?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution<\/h3>\n\n\n\n<div class=\"internal-linking-related-contents\"><a href=\"https:\/\/mymockmate.com\/notes\/class-10-maths-exercise-2-1-solutions-polynomials-ncert-solutions\/\" class=\"template-2\"><span class=\"cta\">Related Topic to Read more<\/span><span class=\"postTitle\">NCERT Class 10 Maths Exercise 2.1 Solutions | Polynomials<\/span><\/a><\/div><p class=\"wp-block-paragraph\">20 mL is double of 10 mL.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Required HCl will also double.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">8 &times; 2 = 16 mL<\/p><div class=\"mymoc-middle mymoc-entity-placement\" id=\"mymoc-2842893173\"><div id=\"mymoc-1020533841\"><a href=\"https:\/\/amzn.to\/4fDWGbw\" aria-label=\"smartwatch\"><img src=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/smartwatch.png\" alt=\"\" srcset=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/smartwatch.png 1717w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/smartwatch-300x71.png 300w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/smartwatch-1024x243.png 1024w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/smartwatch-768x182.png 768w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/smartwatch-1536x364.png 1536w\" sizes=\"(max-width: 1717px) 100vw, 1717px\" width=\"1717\" height=\"407\"><\/a><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Answer<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">(d) 16 mL<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\">Question 4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Which medicine is used for indigestion?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Indigestion is caused by excess acid in the stomach.<\/p>\n\n\n\n<div class=\"internal-linking-related-contents\"><a href=\"https:\/\/mymockmate.com\/notes\/class-10-maths-exercise-2-2-solutions-relationship-between-zeroes-and-coefficients\/\" class=\"template-2\"><span class=\"cta\">Related Topic to Read more<\/span><span class=\"postTitle\">Class 10 Maths Exercise 2.2 Solutions | Relationship Between Zeroes and Coefficients<\/span><\/a><\/div><p class=\"wp-block-paragraph\">Antacids neutralise excess acid.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">(c) Antacid<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\">Question 5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Write balanced equations.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(a)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Zinc + Dilute Sulphuric Acid<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zn + H&#8322;SO&#8324; &rarr; ZnSO&#8324; + H&#8322;&uarr;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(b)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Magnesium + Hydrochloric Acid<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mg + 2HCl &rarr; MgCl&#8322; + H&#8322;&uarr;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(c)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Aluminium + Sulphuric Acid<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2Al + 3H&#8322;SO&#8324; &rarr; Al&#8322;(SO&#8324;)&#8323; + 3H&#8322;&uarr;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(d)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Iron + Hydrochloric Acid<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fe + 2HCl &rarr; FeCl&#8322; + H&#8322;&uarr;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\">Question 6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Alcohol and glucose contain hydrogen but are not acids. Prove it.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Prepare solutions of HCl, glucose and alcohol.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Test electrical conductivity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HCl solution conducts electricity because it releases H&#8314; ions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Glucose and alcohol do not conduct electricity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Therefore, they do not release H&#8314; ions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hence they are not acids.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\">Question 7<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Why does distilled water not conduct electricity but rain water does?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Distilled water contains almost no ions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rain water contains dissolved salts and gases that produce ions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Therefore rain water conducts electricity.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\">Question 8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Why does dry HCl gas not show acidic behaviour?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Acidity is due to H&#8314; ions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dry HCl gas does not produce H&#8314; ions without water.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hence it does not show acidic behaviour.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\">Question 9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">pH values:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A = 4<br>B = 1<br>C = 11<br>D = 7<br>E = 9<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answers<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">(a) Neutral &rarr; D<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(b) Strongly alkaline &rarr; C<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(c) Strongly acidic &rarr; B<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(d) Weakly acidic &rarr; A<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(e) Weakly alkaline &rarr; E<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Increasing order of hydrogen ion concentration:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C &lt; E &lt; D &lt; A &lt; B<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\">Question 10<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Solution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Fizzing will occur more vigorously in Test Tube A.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Reason:<br>HCl is a strong acid and produces more H&#8314; ions than acetic acid.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hence magnesium reacts faster with HCl.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\">Question 11<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Solution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Fresh milk has pH 6.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When milk changes into curd, lactic acid is formed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Therefore pH decreases and becomes more acidic.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\">Question 12<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">(a)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Why add baking soda?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Baking soda makes milk slightly alkaline and delays spoilage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(b)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Why does curd take longer to set?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The alkaline medium neutralises the acid produced by bacteria.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hence curd formation slows down.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\">Question 13<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Solution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Plaster of Paris absorbs moisture and converts into gypsum.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CaSO&#8324;&middot;&frac12;H&#8322;O + 1&frac12;H&#8322;O &rarr; CaSO&#8324;&middot;2H&#8322;O<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Therefore it should be stored in moisture-proof containers.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\">Question 14<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Solution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A reaction between an acid and a base producing salt and water is called neutralisation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>HCl + NaOH &rarr; NaCl + H&#8322;O<\/li>\n\n\n\n<li>H&#8322;SO&#8324; + 2KOH &rarr; K&#8322;SO&#8324; + 2H&#8322;O<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\">Question 15<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Uses of Washing Soda<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Removing permanent hardness of water.<\/li>\n\n\n\n<li>Used in glass, soap and paper industries.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Uses of Baking Soda<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Making baking powder.<\/li>\n\n\n\n<li>Used as antacid.<\/li>\n<\/ol>\n\n\n\n<h1 class=\"wp-block-heading\">Common Mistakes<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Confusing strong acids with concentrated acids.<\/li>\n\n\n\n<li>Writing unbalanced chemical equations.<\/li>\n\n\n\n<li>Assuming all hydrogen-containing compounds are acids.<\/li>\n\n\n\n<li>Forgetting that pH 7 is neutral.<\/li>\n\n\n\n<li>Mixing water into concentrated acid instead of acid into water.<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Exam Tips<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Learn all important chemical equations.<\/li>\n\n\n\n<li>Memorize uses of bleaching powder, baking soda and washing soda.<\/li>\n\n\n\n<li>Remember pH scale values.<\/li>\n\n\n\n<li>Practice balancing reactions regularly.<\/li>\n\n\n\n<li>Revise common salts and their formulas.<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Practice MCQs<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">1. Which gas is evolved when zinc reacts with dilute HCl?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. Oxygen<br>B. Hydrogen<br>C. Carbon dioxide<br>D. Nitrogen<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: B<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. pH of a neutral solution is:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. 0<br>B. 5<br>C. 7<br>D. 14<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: C<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Baking soda formula is:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. Na&#8322;CO&#8323;<br>B. NaOH<br>C. NaHCO&#8323;<br>D. HCl<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: C<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Which acid is present in vinegar?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. Citric Acid<br>B. Acetic Acid<br>C. Oxalic Acid<br>D. Lactic Acid<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: B<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Which compound is used in whitewashing?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. CaO<br>B. Ca(OH)&#8322;<br>C. NaOH<br>D. HCl<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: B<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">FAQ Section<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Q1. What is the pH of a neutral solution?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: 7<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q2. Which gas is produced when acids react with metals?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: Hydrogen gas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q3. Why are acids acidic?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: Because they release H&#8314; ions in aqueous solution.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q4. What is an alkali?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: A base soluble in water.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q5. What is water of crystallisation?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: Fixed number of water molecules present in one formula unit of a salt.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">CTA (Call To Action)<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Found these Class 10 Science Chapter 2 solutions helpful?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Explore more NCERT chapter-wise solutions, MCQs, notes and mock tests on <a href=\"http:\/\/www.mymockmate.com\"><strong>www.mymockmate.com<\/strong><\/a> and boost your board exam preparation today.<\/p>\n<div class=\"pdfprnt-buttons pdfprnt-buttons-post pdfprnt-top-bottom-right\"><a href=\"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/3036?print=print\" class=\"pdfprnt-button pdfprnt-button-print\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/mymockmate.com\/notes\/wp-content\/plugins\/pdf-print\/images\/print.png\" alt=\"image_print\" title=\"Print Content\"><span class=\"pdfprnt-button-title pdfprnt-button-print-title\">Print<\/span><\/a> <span class=\"pdfprnt-count-generation\">3<\/span><\/div>\n    <div class=\"xs_social_share_widget xs_share_url after_content \t\tmain_content  wslu-style-1 wslu-share-box-shaped wslu-fill-colored wslu-none wslu-share-horizontal wslu-theme-font-no wslu-main_content\">\n\n\t\t\n        <ul>\n\t\t\t        <\/ul>\n    <\/div> \n<div class=\"mymoc-bottom mymoc-entity-placement\" id=\"mymoc-1172333796\"><div id=\"mymoc-415475629\"><a href=\"https:\/\/amzn.to\/3S4CntS\" aria-label=\"Stationeries\"><img src=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/Stationeries.png\" alt=\"\" srcset=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/Stationeries.png 1303w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/Stationeries-300x89.png 300w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/Stationeries-1024x304.png 1024w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/Stationeries-768x228.png 768w\" sizes=\"(max-width: 1303px) 100vw, 1303px\" width=\"1080\" height=\"100\"><\/a><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p> 3 Short Intro This article provides complete NCERT solutions for Class 10 Science Chapter 2 &ldquo;Acids, Bases<\/p>\n","protected":false},"author":2,"featured_media":3037,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"postBodyCss":"","postBodyMargin":[],"postBodyPadding":[],"postBodyBackground":{"backgroundType":"classic","gradient":""},"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[5,13],"tags":[2263,2259,1916,2260,2261,2264,47,2258,2262],"class_list":["post-3036","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-class-10","category-science-class-10","tag-acid-base-reactions","tag-acids-bases-and-salts","tag-cbse-class-10","tag-chemistry-chapter-2","tag-class-10-science","tag-ncert-exercise-solutions","tag-ncert-solutions","tag-ph-scale","tag-salts"],"featured_image_src":"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/ACIDS-BASES-AND-SALTS-COMPLETE-SOLUTIONS-CLASS-10-SCIENCE.png","author_info":{"display_name":"Team Mymockmate (M)","author_link":"https:\/\/mymockmate.com\/notes\/author\/madhusa\/"},"jetpack_publicize_connections":[],"_links":{"self":[{"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/3036","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/comments?post=3036"}],"version-history":[{"count":1,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/3036\/revisions"}],"predecessor-version":[{"id":3038,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/3036\/revisions\/3038"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/media\/3037"}],"wp:attachment":[{"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/media?parent=3036"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/categories?post=3036"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/tags?post=3036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}