{"id":3039,"date":"2026-06-22T10:38:06","date_gmt":"2026-06-22T05:08:06","guid":{"rendered":"https:\/\/mymockmate.com\/notes\/?p=3039"},"modified":"2026-06-22T10:38:10","modified_gmt":"2026-06-22T05:08:10","slug":"ncert-class-10-science-chapter-3-metals-and-non-metals-solutions","status":"publish","type":"post","link":"https:\/\/mymockmate.com\/notes\/ncert-class-10-science-chapter-3-metals-and-non-metals-solutions\/","title":{"rendered":"NCERT Class 10 Science Chapter 3 Metals and Non-Metals Solutions"},"content":{"rendered":"<div class=\"mymoc-top mymoc-entity-placement\" id=\"mymoc-1527706269\"><div id=\"mymoc-2639320468\"><a href=\"https:\/\/amzn.to\/43YYZi3\" aria-label=\"smart-phones\"><img src=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/smart-phones.png\" alt=\"\" srcset=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/smart-phones.png 1303w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/smart-phones-300x76.png 300w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/smart-phones-1024x259.png 1024w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/smart-phones-768x194.png 768w\" sizes=\"(max-width: 1303px) 100vw, 1303px\" width=\"1303\" height=\"329\"><\/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\/3039?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 Introduction<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">This chapter explains the physical and chemical properties of metals and non-metals, their reactions with air, water and acids, reactivity series, ionic compounds, extraction of metals, corrosion and prevention of rusting. These detailed NCERT solutions help students understand concepts and prepare effectively for school and board examinations.<\/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>Chapter Name<\/td><td>Metals and Non-Metals<\/td><\/tr><tr><td>Class<\/td><td>10<\/td><\/tr><tr><td>Subject<\/td><td>Science<\/td><\/tr><tr><td>Board<\/td><td>CBSE\/NCERT<\/td><\/tr><tr><td>Chapter Number<\/td><td>3<\/td><\/tr><tr><td>Important Topics<\/td><td>Metals, Non-metals, Reactivity Series, Ionic Compounds, Metallurgy, Corrosion<\/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>Physical Properties of Metals<\/li>\n\n\n\n<li>Physical Properties of Non-metals<\/li>\n\n\n\n<li>Chemical Properties of Metals<\/li>\n\n\n\n<li>Reactivity Series<\/li>\n\n\n\n<li>Ionic Bond Formation<\/li>\n\n\n\n<li>Ionic Compounds<\/li>\n\n\n\n<li>Occurrence of Metals<\/li>\n\n\n\n<li>Extraction of Metals<\/li>\n\n\n\n<li>Refining of Metals<\/li>\n\n\n\n<li>Corrosion and Prevention<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Important Formulas and Equations<\/h1>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>2Mg + O&#8322; &rarr; 2MgO<\/li>\n\n\n\n<li>2Na + 2H&#8322;O &rarr; 2NaOH + H&#8322;<\/li>\n\n\n\n<li>Zn + 2HCl &rarr; ZnCl&#8322; + H&#8322;<\/li>\n\n\n\n<li>Fe + CuSO&#8324; &rarr; FeSO&#8324; + Cu<\/li>\n\n\n\n<li>Fe&#8322;O&#8323; + 2Al &rarr; 2Fe + Al&#8322;O&#8323;<\/li>\n\n\n\n<li>ZnO + C &rarr; Zn + CO<\/li>\n\n\n\n<li>2Cu + O&#8322; &rarr; 2CuO<\/li>\n<\/ol>\n\n\n\n<h1 class=\"wp-block-heading\">NCERT In-Text Questions and Answers<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Question 1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Give an example of a metal which:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(i) Is a liquid at room temperature<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: Mercury (Hg)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(ii) Can be easily cut with a knife<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: Sodium (Na)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(iii) Is the best conductor of heat<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: Silver (Ag)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(iv) Is a poor conductor of heat<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: Lead (Pb)<\/p>\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\">Explanation:<br>Different metals possess different physical properties. Silver conducts heat best, whereas lead is comparatively a poor conductor.<\/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<p class=\"wp-block-paragraph\">Explain the meanings of malleable and ductile.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Malleable:<br>The property of a metal by which it can be beaten into thin sheets.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Example: Gold and silver.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ductile:<br>The property of a metal by which it can be drawn into thin wires.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Example: Gold and copper.<\/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<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\">Why is sodium kept immersed in kerosene oil?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sodium is highly reactive and reacts vigorously with oxygen and moisture present in air. It may catch fire. Therefore, it is stored under kerosene oil to prevent contact with air and water.<\/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\">Write equations for reactions of:<\/p><div class=\"mymoc-middle mymoc-entity-placement\" id=\"mymoc-2447282200\"><div id=\"mymoc-356333230\"><a href=\"https:\/\/amzn.to\/4v5gV6P\" aria-label=\"calculators\"><img src=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/calculators.png\" alt=\"\" srcset=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/calculators.png 1302w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/calculators-300x99.png 300w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/calculators-1024x338.png 1024w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/calculators-768x254.png 768w\" sizes=\"(max-width: 1302px) 100vw, 1302px\" width=\"1302\" height=\"430\"><\/a><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">(i) Iron with steam<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">3Fe + 4H&#8322;O &rarr; Fe&#8323;O&#8324; + 4H&#8322;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(ii) Calcium and potassium with water<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ca + 2H&#8322;O &rarr; Ca(OH)&#8322; + H&#8322;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2K + 2H&#8322;O &rarr; 2KOH + H&#8322;<\/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<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\">Samples of four metals A, B, C and D were tested.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(i) Which is the most reactive metal?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: B<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(ii) What happens when B is added to CuSO&#8324; solution?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Answer:<br>B will displace copper from copper sulphate solution.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(iii) Arrange metals in decreasing order of reactivity.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Answer:<br>B &gt; A &gt; C &gt; D<\/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\">Which gas is produced when dilute HCl is added to a reactive metal?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer:<br>Hydrogen gas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Reaction:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fe + H&#8322;SO&#8324; &rarr; FeSO&#8324; + H&#8322;<\/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\">What happens when zinc is added to iron sulphate solution?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Zinc is more reactive than iron. Therefore, zinc displaces iron from iron sulphate solution.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zn + FeSO&#8324; &rarr; ZnSO&#8324; + Fe<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Observation:<br>Iron gets deposited and solution changes accordingly.<\/p>\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\">Which pair will give displacement reactions?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer:<br>(d) AgNO&#8323; solution and copper metal<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Reason:<br>Copper is more reactive than silver.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cu + 2AgNO&#8323; &rarr; Cu(NO&#8323;)&#8322; + 2Ag<\/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<p class=\"wp-block-paragraph\">Suitable method for preventing rusting of iron frying pan?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer:<br>(c) Applying a coating of zinc<\/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\">Element forms oxide having high melting point and soluble in water.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer:<br>(a) Calcium<\/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\">Food cans are coated with tin and not zinc because<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer:<br>(c) Zinc is more reactive than tin.<\/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<h3 class=\"wp-block-heading\">(a) Distinguish between metals and non-metals<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hammer Test:<br>Metals are malleable.<br>Non-metals are brittle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Electrical Conductivity Test:<br>Metals conduct electricity.<br>Non-metals generally do not.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(b) Usefulness<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Useful for most elements but exceptions exist such as graphite.<\/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\">What are amphoteric oxides?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer:<br>Oxides that react with both acids and bases.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Aluminium oxide (Al&#8322;O&#8323;)<\/li>\n\n\n\n<li>Zinc oxide (ZnO)<\/li>\n<\/ul>\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\">Name two metals which displace hydrogen from acids and two which do not.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Displace:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zinc<\/li>\n\n\n\n<li>Magnesium<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Do Not Displace:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Copper<\/li>\n\n\n\n<li>Silver<\/li>\n<\/ul>\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\">Electrolytic refining of metal M<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Anode: Impure metal<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cathode: Pure metal<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Electrolyte: Solution of metal salt<\/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<h3 class=\"wp-block-heading\">(a) Action of sulphur dioxide gas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">(i) Dry litmus:<br>No effect<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(ii) Moist litmus:<br>Turns blue litmus red<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(b) Equation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S + O&#8322; &rarr; SO&#8322;<\/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<p class=\"wp-block-paragraph\">Two methods to prevent rusting<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Galvanisation<\/li>\n\n\n\n<li>Painting<\/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 11<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">What type of oxides are formed by non-metals?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer:<br>Acidic oxides or neutral oxides.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples:<br>CO&#8322;, SO&#8322;<\/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<p class=\"wp-block-paragraph\">Give reasons<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(a)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gold, platinum and silver are used in jewellery because they are lustrous and corrosion resistant.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(b)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sodium, potassium and lithium are stored under oil because they react vigorously with air and water.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(c)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Aluminium is highly reactive but used for cooking utensils because it forms a protective oxide layer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(d)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Carbonate and sulphide ores are converted into oxides because oxides are easier to reduce.<\/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<p class=\"wp-block-paragraph\">Why are lemon and tamarind used to clean copper vessels?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer:<br>They contain acids which dissolve the green basic copper carbonate layer.<\/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<p class=\"wp-block-paragraph\">Differentiate between metals and non-metals<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Metals<\/td><td>Non-metals<\/td><\/tr><tr><td>Form positive ions<\/td><td>Form negative ions<\/td><\/tr><tr><td>Basic oxides<\/td><td>Acidic oxides<\/td><\/tr><tr><td>React with acids releasing H&#8322;<\/td><td>Do not release H&#8322;<\/td><\/tr><tr><td>Lose electrons<\/td><td>Gain electrons<\/td><\/tr><\/tbody><\/table><\/figure>\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<p class=\"wp-block-paragraph\">Goldsmith mystery question<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer:<br>The solution used was Aqua Regia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Reason:<br>Aqua regia dissolves a small amount of gold, reducing weight while restoring shine.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\">Question 16<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Why is copper used for hot water tanks?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Good conductor of heat<\/li>\n\n\n\n<li>Corrosion resistant<\/li>\n\n\n\n<li>Does not react with water<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Common Mistakes Students Make<\/h1>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Confusing malleability with ductility.<\/li>\n\n\n\n<li>Forgetting exceptions like graphite and iodine.<\/li>\n\n\n\n<li>Incorrectly placing metals in reactivity series.<\/li>\n\n\n\n<li>Mixing up roasting and calcination.<\/li>\n\n\n\n<li>Writing unbalanced chemical equations.<\/li>\n<\/ol>\n\n\n\n<h1 class=\"wp-block-heading\">Exam Tips<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Learn the reactivity series thoroughly.<\/li>\n\n\n\n<li>Memorize important reactions of metals with water and acids.<\/li>\n\n\n\n<li>Revise amphoteric oxides carefully.<\/li>\n\n\n\n<li>Practice metallurgy flowchart.<\/li>\n\n\n\n<li>Focus on corrosion and prevention methods.<\/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 metal is stored under kerosene?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. Iron<br>B. Copper<br>C. Sodium<br>D. Silver<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: C<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Which oxide is amphoteric?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. MgO<br>B. Na&#8322;O<br>C. ZnO<br>D. CaO<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: C<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Which metal is least reactive?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. Potassium<br>B. Zinc<br>C. Gold<br>D. Iron<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: C<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Rust is mainly<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. Fe&#8322;O&#8323;&middot;xH&#8322;O<br>B. FeO<br>C. Fe&#8323;O&#8324;<br>D. FeS<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Answer: A<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Graphite conducts electricity because<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. It is a metal<br>B. It contains free electrons<br>C. It is an oxide<br>D. It is ionic<\/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 most reactive metal?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Potassium is the most reactive metal in the activity series.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q2. Why does aluminium not rust easily?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Because it forms a protective oxide layer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q3. What is an alloy?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A homogeneous mixture of metals or a metal and a non-metal.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q4. What is galvanisation?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Coating iron with zinc to prevent rusting.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q5. What is aqua regia?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A mixture of concentrated HCl and HNO&#8323; in the ratio 3:1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Looking for more NCERT Class 10 Science solutions? Visit <a href=\"http:\/\/www.mymockmate.com\">www.mymockmate.com<\/a> for chapter-wise solved questions, MCQs, notes, important formulas, previous year papers and board exam preparation resources.<\/p>\n<div class=\"pdfprnt-buttons pdfprnt-buttons-post pdfprnt-top-bottom-right\"><a href=\"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/3039?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-104085238\"><div id=\"mymoc-2930663078\"><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 Introduction This chapter explains the physical and chemical properties of metals and non-metals, their reactions<\/p>\n","protected":false},"author":2,"featured_media":3040,"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":[1916,2266,2261,2268,2271,2267,2269,47,2265,2270],"class_list":["post-3039","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-class-10","category-science-class-10","tag-cbse-class-10","tag-chapter-3-science","tag-class-10-science","tag-corrosion","tag-metallurgy","tag-metals-and-non-metals","tag-metals-properties","tag-ncert-solutions","tag-non-metals-properties","tag-reactivity-series"],"featured_image_src":"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/Class-10-Science-Metals-and-Non-Metals-NCERT-Solutions-Chapter-3-Science-CBSE-Class-10-Metals-Properties-Non-Metals-Properties-Reactivity-Series.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\/3039","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=3039"}],"version-history":[{"count":2,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/3039\/revisions"}],"predecessor-version":[{"id":3074,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/3039\/revisions\/3074"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/media\/3040"}],"wp:attachment":[{"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/media?parent=3039"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/categories?post=3039"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/tags?post=3039"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}