{"id":752661,"date":"2025-01-10T17:38:35","date_gmt":"2025-01-10T12:08:35","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=752661"},"modified":"2025-07-31T17:33:05","modified_gmt":"2025-07-31T12:03:05","slug":"class-10-chemistry-worksheet-chemical-reactions-and-equations","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/","title":{"rendered":"Class 10 Chemistry Worksheet Chemical Reactions and Equations"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#What_is_a_Chemical_Reaction\" title=\"What is a Chemical Reaction?\">What is a Chemical Reaction?<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#Characteristics_of_a_Chemical_Reaction\" title=\"Characteristics of a Chemical Reaction\">Characteristics of a Chemical Reaction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#CBSE_Class_10_Worksheet_-_Chemical_Reactions_and_Equations\" title=\"CBSE Class 10 Worksheet &#8211; Chemical Reactions and Equations\">CBSE Class 10 Worksheet &#8211; Chemical Reactions and Equations<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#Writing_and_Balancing_Chemical_Equations\" title=\"Writing and Balancing Chemical Equations\">Writing and Balancing Chemical Equations<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#21_Chemical_Equations\" title=\"2.1 Chemical Equations\">2.1 Chemical Equations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#22_Balancing_Chemical_Equations\" title=\"2.2 Balancing Chemical Equations\">2.2 Balancing Chemical Equations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#Chemical_Reactions_and_Equations_Class_10_Woksheet\" title=\"Chemical Reactions and Equations Class 10 Woksheet\">Chemical Reactions and Equations Class 10 Woksheet<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#Types_of_Chemical_Reactions\" title=\"Types of Chemical Reactions\">Types of Chemical Reactions<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#31_Combination_Reaction\" title=\"3.1 Combination Reaction\">3.1 Combination Reaction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#32_Decomposition_Reaction\" title=\"3.2 Decomposition Reaction\">3.2 Decomposition Reaction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#33_Displacement_Reaction\" title=\"3.3 Displacement Reaction\">3.3 Displacement Reaction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#34_Double_Displacement_Reaction\" title=\"3.4 Double Displacement Reaction\">3.4 Double Displacement Reaction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#35_Redox_Reaction\" title=\"3.5 Redox Reaction\">3.5 Redox Reaction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#Class_10_Chemical_Reactions_and_Equations_Worksheet\" title=\"Class 10 Chemical Reactions and Equations Worksheet\">Class 10 Chemical Reactions and Equations Worksheet<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#Corrosion_and_Rancidity\" title=\"Corrosion and Rancidity\">Corrosion and Rancidity<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#41_Corrosion\" title=\"4.1 Corrosion\">4.1 Corrosion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#42_Rancidity\" title=\"4.2 Rancidity\">4.2 Rancidity<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#Worksheet_for_Chemical_Reactions_and_Equations_Class_10\" title=\"Worksheet for Chemical Reactions and Equations Class 10\">Worksheet for Chemical Reactions and Equations Class 10<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#More_Chemical_Reactions_Equations_Class_10_Worksheet\" title=\"More Chemical Reactions &amp; Equations Class 10 Worksheet\">More Chemical Reactions &amp; Equations Class 10 Worksheet<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#Higher_Order_Thinking_Skills_HOTs\" title=\"Higher Order Thinking Skills (HOTs)\">Higher Order Thinking Skills (HOTs)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#Fill_in_the_Blanks\" title=\"Fill in the Blanks\">Fill in the Blanks<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#Match_the_Following\" title=\"Match the Following\">Match the Following<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/infinitylearn.com\/surge\/worksheets-class-10-chemistry\/chemical-reactions-and-equations\/#True_or_False\" title=\"True or False\">True or False<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>In chemistry, everything revolves around changes. Whether it&#8217;s cooking food, rusting iron, or burning wood, chemical reactions make these transformations possible. Chapter 1 introduces you to the world of chemical reactions, their characteristics, and how we represent them with chemical equations. By the end of this worksheet, you\u2019ll not only understand how to write and balance chemical equations but also classify reactions and explore practical phenomena like corrosion and rancidity.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_a_Chemical_Reaction\"><\/span>What is a Chemical Reaction?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A chemical reaction is a process where one or more substances (called reactants) change into new substances (called products).<\/p>\n<p>For example:<\/p>\n<ul>\n<li><strong>Magnesium burns in air to form magnesium oxide<\/strong>:<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mn>2<\/mn><mi>M<\/mi><mi>g<\/mi><mo>+<\/mo><msub><mi>O<\/mi><mn>2<\/mn><\/msub><mo>\u2192<\/mo><mn>2<\/mn><mi>M<\/mi><mi>g<\/mi><mi>O<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">2Mg + O_2 \\rightarrow 2MgO<\/annotation><\/semantics><\/math>\n<h3><span class=\"ez-toc-section\" id=\"Characteristics_of_a_Chemical_Reaction\"><\/span>Characteristics of a Chemical Reaction<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The following signs indicate that a chemical reaction has occurred:<\/p>\n<ol>\n<li><strong>Change in State<\/strong>: Formation of gas, liquid, or solid.\n<ul>\n<li>Example: Steam condensing into liquid water.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Change in Color<\/strong>: A visible color change occurs.\n<ul>\n<li>Example: Rusting of iron changes the color to reddish-brown.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Evolution of Gas<\/strong>: Gas bubbles are produced during the reaction.\n<ul>\n<li>Example: Effervescence in vinegar and baking soda reaction.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Change in Temperature<\/strong>: Heat is absorbed or released.\n<ul>\n<li>Example: Burning of coal releases heat.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Formation of Precipitate<\/strong>: An insoluble solid forms in a liquid reaction.\n<ul>\n<li>Example: Mixing barium chloride and sulfuric acid forms a white precipitate of barium sulfate.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"CBSE_Class_10_Worksheet_-_Chemical_Reactions_and_Equations\"><\/span>CBSE Class 10 Worksheet &#8211; Chemical Reactions and Equations<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>What are the key features of a chemical reaction?<\/li>\n<li>Identify the type of change (color, gas, or precipitate) in the following reactions:\n<ul>\n<li>Zinc reacting with hydrochloric acid.<\/li>\n<li>Copper sulfate reacting with iron.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Writing_and_Balancing_Chemical_Equations\"><\/span>Writing and Balancing Chemical Equations<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"21_Chemical_Equations\"><\/span>2.1 Chemical Equations<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Chemical reactions are represented by chemical equations using symbols and formulas.<\/p>\n<ul>\n<li><strong>Example<\/strong>: Hydrogen reacts with oxygen to form water. <span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><br \/>\n<math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mn>2<\/mn><msub><mi>H<\/mi><mn>2<\/mn><\/msub><mo>+<\/mo><msub><mi>O<\/mi><mn>2<\/mn><\/msub><mo>\u2192<\/mo><mn>2<\/mn><msub><mi>H<\/mi><mn>2<\/mn><\/msub><mi>O<\/mi><\/mrow><\/semantics><\/math>\n<p><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>&nbsp;<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"22_Balancing_Chemical_Equations\"><\/span>2.2 Balancing Chemical Equations<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>According to the <strong>Law of Conservation of Mass<\/strong>, the total mass of reactants must equal the total mass of products. To ensure this, chemical equations are balanced.<\/p>\n<p><strong>Steps to Balance an Equation:<\/strong><\/p>\n<ol>\n<li>Write the skeleton equation.<\/li>\n<li>Count the number of atoms of each element on both sides.<\/li>\n<li>Adjust coefficients to balance atoms.<\/li>\n<li>Double-check the balance.<\/li>\n<\/ol>\n<ul>\n<li><strong>Unbalanced Example<\/strong>: <span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><br \/>\n<math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><msub><mi>H<\/mi><mn>2<\/mn><\/msub><mo>+<\/mo><msub><mi>O<\/mi><mn>2<\/mn><\/msub><mo>\u2192<\/mo><msub><mi>H<\/mi><mn>2<\/mn><\/msub><mi>O<\/mi><\/mrow><\/semantics><\/math>\n<p><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>&nbsp;<\/li>\n<li><strong>Balanced Equation<\/strong>: <span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><br \/>\n<math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mn>2<\/mn><msub><mi>H<\/mi><mn>2<\/mn><\/msub><mo>+<\/mo><msub><mi>O<\/mi><mn>2<\/mn><\/msub><mo>\u2192<\/mo><mn>2<\/mn><msub><mi>H<\/mi><mn>2<\/mn><\/msub><mi>O<\/mi><\/mrow><\/semantics><\/math>\n<p><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>&nbsp;<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Chemical_Reactions_and_Equations_Class_10_Woksheet\"><\/span>Chemical Reactions and Equations Class 10 Woksheet<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Balance the following equations:<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi>F<\/mi><mi>e<\/mi><mo>+<\/mo><msub><mi>O<\/mi><mn>2<\/mn><\/msub><mo>\u2192<\/mo><mi>F<\/mi><msub><mi>e<\/mi><mn>2<\/mn><\/msub><msub><mi>O<\/mi><mn>3<\/mn><\/msub><\/mrow><\/semantics><\/math>\n<math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi>K<\/mi><mi>C<\/mi><mi>l<\/mi><msub><mi>O<\/mi><mn>3<\/mn><\/msub><mo>\u2192<\/mo><mi>K<\/mi><mi>C<\/mi><mi>l<\/mi><mo>+<\/mo><msub><mi>O<\/mi><mn>2<span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif; font-size: 16px;\">\u200b<\/span><\/mn><\/msub><\/mrow><\/semantics><\/math>\n<ul>\n<li>Write the chemical equations for:<\/li>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Reaction of magnesium with oxygen.<\/li>\n<li>Reaction of calcium carbonate with hydrochloric acid.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Types_of_Chemical_Reactions\"><\/span>Types of Chemical Reactions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"31_Combination_Reaction\"><\/span>3.1 Combination Reaction<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In a combination reaction, two or more reactants combine to form one product.<\/p>\n<p><strong>Example<\/strong>:<\/p>\n<math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mn>2<\/mn><msub><mi>H<\/mi><mn>2<\/mn><\/msub><mo>+<\/mo><msub><mi>O<\/mi><mn>2<\/mn><\/msub><mo>\u2192<\/mo><mn>2<\/mn><msub><mi>H<\/mi><mn>2<\/mn><\/msub><mi>O<\/mi><\/mrow><\/semantics><\/math>\n<h3><span class=\"ez-toc-section\" id=\"32_Decomposition_Reaction\"><\/span>3.2 Decomposition Reaction<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A decomposition reaction involves breaking down a single compound into simpler substances.<\/p>\n<p><strong>Example<\/strong>:<\/p>\n<math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mn>2<\/mn><msub><mi>H<\/mi><mn>2<\/mn><\/msub><mi>O<\/mi><mo>\u2192<\/mo><mn>2<\/mn><msub><mi>H<\/mi><mn>2<\/mn><\/msub><mo>+<\/mo><msub><mi>O<\/mi><mn>2<span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif; font-size: 16px;\">\u200b<\/span><\/mn><\/msub><\/mrow><\/semantics><\/math>\n<h3><span class=\"ez-toc-section\" id=\"33_Displacement_Reaction\"><\/span>3.3 Displacement Reaction<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In a displacement reaction, one element replaces another in a compound.<\/p>\n<p><strong>Example<\/strong>:<\/p>\n<math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi>Z<\/mi><mi>n<\/mi><mo>+<\/mo><mi>C<\/mi><mi>u<\/mi><mi>S<\/mi><msub><mi>O<\/mi><mn>4<\/mn><\/msub><mo>\u2192<\/mo><mi>Z<\/mi><mi>n<\/mi><mi>S<\/mi><msub><mi>O<\/mi><mn>4<\/mn><\/msub><mo>+<\/mo><mi>C<\/mi><mi>u<\/mi><\/mrow><\/semantics><\/math>\n<h3><span class=\"ez-toc-section\" id=\"34_Double_Displacement_Reaction\"><\/span>3.4 Double Displacement Reaction<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A double displacement reaction involves the exchange of ions between two compounds.<\/p>\n<p><strong>Example<\/strong>:<\/p>\n<math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi>N<\/mi><mi>a<\/mi><mi>C<\/mi><mi>l<\/mi><mo>+<\/mo><mi>A<\/mi><mi>g<\/mi><mi>N<\/mi><msub><mi>O<\/mi><mn>3<\/mn><\/msub><mo>\u2192<\/mo><mi>N<\/mi><mi>a<\/mi><mi>N<\/mi><msub><mi>O<\/mi><mn>3<\/mn><\/msub><mo>+<\/mo><mi>A<\/mi><mi>g<\/mi><mi>C<\/mi><mi>l<\/mi><\/mrow><\/semantics><\/math>\n<h3><span class=\"ez-toc-section\" id=\"35_Redox_Reaction\"><\/span>3.5 Redox Reaction<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Oxidation and reduction occur simultaneously in a redox reaction.<\/p>\n<p><strong>Example<\/strong>:<\/p>\n<math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi>Z<\/mi><mi>n<\/mi><mo>+<\/mo><msub><mi>H<\/mi><mn>2<\/mn><\/msub><mi>S<\/mi><msub><mi>O<\/mi><mn>4<\/mn><\/msub><mo>\u2192<\/mo><mi>Z<\/mi><mi>n<\/mi><mi>S<\/mi><msub><mi>O<\/mi><mn>4<\/mn><\/msub><mo>+<\/mo><msub><mi>H<\/mi><mn>2<span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif; font-size: 16px;\">\u200b<\/span><\/mn><\/msub><\/mrow><\/semantics><\/math>\n<h3><span class=\"ez-toc-section\" id=\"Class_10_Chemical_Reactions_and_Equations_Worksheet\"><\/span>Class 10 Chemical Reactions and Equations Worksheet<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Identify the type of reaction:<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mn>2<\/mn><mi>K<\/mi><mi>C<\/mi><mi>l<\/mi><msub><mi>O<\/mi><mn>3<\/mn><\/msub><mo>\u2192<\/mo><mn>2<\/mn><mi>K<\/mi><mi>C<\/mi><mi>l<\/mi><mo>+<\/mo><mn>3<\/mn><msub><mi>O<\/mi><mn>2<span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif; font-size: 16px;\">\u200b<\/span><\/mn><\/msub><\/mrow><\/semantics><\/math>\n<math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mn>2<\/mn><mi>N<\/mi><mi>a<\/mi><mo>+<\/mo><mi>C<\/mi><msub><mi>l<\/mi><mn>2<\/mn><\/msub><mo>\u2192<\/mo><mn>2<\/mn><mi>N<\/mi><mi>a<\/mi><mi>C<\/mi><mi>l<\/mi><\/mrow><\/semantics><\/math>\n<p>&nbsp;<\/p>\n<ul>\n<li>Write one example each for combination, decomposition, and displacement reactions.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Corrosion_and_Rancidity\"><\/span>Corrosion and Rancidity<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"41_Corrosion\"><\/span>4.1 <a href=\"https:\/\/infinitylearn.com\/question-answer\/what-is-corrosion-discuss-the-methods-for-preventi-62a6ef71cd2091f8db4f4f78\">Corrosion<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Corrosion is the gradual destruction of metals due to chemical reactions with the environment.<\/p>\n<ul>\n<li><strong>Example<\/strong>: Rusting of iron: <span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><br \/>\n<math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mn>4<\/mn><mi>F<\/mi><mi>e<\/mi><mo>+<\/mo><mn>3<\/mn><msub><mi>O<\/mi><mn>2<\/mn><\/msub><mo>+<\/mo><mn>6<\/mn><msub><mi>H<\/mi><mn>2<\/mn><\/msub><mi>O<\/mi><mo>\u2192<\/mo><mn>4<\/mn><mi>F<\/mi><mi>e<\/mi><mo stretchy=\"false\">(<\/mo><mi>O<\/mi><mi>H<\/mi><msub><mo stretchy=\"false\">)<\/mo><mn>3<\/mn><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">4Fe + 3O_2 + 6H_2O \\rightarrow 4Fe(OH)_3<\/annotation><\/semantics><\/math>\n<p><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>&nbsp;<\/p>\n<p><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\">4<\/span><span class=\"mord mathnormal\">F<\/span><span class=\"mord mathnormal\">e<\/span><span class=\"mbin\">+<\/span><\/span><span class=\"base\"><span class=\"mord\">3<\/span><span class=\"mord\"><span class=\"mord mathnormal\">O<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><span class=\"mbin\">+<\/span><\/span><span class=\"base\"><span class=\"mord\">6<\/span><span class=\"mord\"><span class=\"mord mathnormal\">H<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><span class=\"mord mathnormal\">O<\/span><span class=\"mrel\">\u2192<\/span><\/span><span class=\"base\"><span class=\"mord\">4<\/span><span class=\"mord mathnormal\">F<\/span><span class=\"mord mathnormal\">e<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">O<\/span><span class=\"mord mathnormal\">H<\/span><span class=\"mclose\">)<span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">3<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"42_Rancidity\"><\/span>4.2 <a href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/rancidity\/\">Rancidity<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Rancidity is the spoiling of food due to the oxidation of fats and oils.<\/p>\n<p><strong>Methods to Prevent Rancidity:<\/strong><\/p>\n<ol>\n<li>Store food in airtight containers.<\/li>\n<li>Add antioxidants.<\/li>\n<li>Refrigerate food.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Worksheet_for_Chemical_Reactions_and_Equations_Class_10\"><\/span>Worksheet for Chemical Reactions and Equations Class 10<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>Explain the process of rusting in your own words.<\/li>\n<li>List three methods to prevent food rancidity.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"More_Chemical_Reactions_Equations_Class_10_Worksheet\"><\/span>More Chemical Reactions &amp; Equations Class 10 Worksheet<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Higher_Order_Thinking_Skills_HOTs\"><\/span>Higher Order Thinking Skills (HOTs)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>Why is it important to balance chemical equations?<\/li>\n<li>How does double displacement differ from displacement reactions?<\/li>\n<li>Why are nitrogen gas packets used to store chips?<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Fill_in_the_Blanks\"><\/span>Fill in the Blanks<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>A chemical reaction involves a change in __________ and the formation of new substances.<\/li>\n<li>The gradual destruction of metals by environmental reactions is called __________.<\/li>\n<li>__________ reactions involve the exchange of ions between two compounds.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Match_the_Following\"><\/span>Match the Following<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"table-responsive\">\n<table class=\"table table-bordered table-striped\" cellspacing=\"0\" cellpadding=\"5\">\n<tbody>\n<tr style=\"background-color: #89cff0; color: black;\">\n<td><strong>Column A<\/strong><\/td>\n<td><strong>Column B<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Combination reaction<\/td>\n<td>Breaking of a compound<\/td>\n<\/tr>\n<tr>\n<td>Decomposition reaction<\/td>\n<td>Formation of one product<\/td>\n<\/tr>\n<tr>\n<td>Displacement reaction<\/td>\n<td>Exchange of ions<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"True_or_False\"><\/span>True or False<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>All chemical reactions produce heat. ( )<\/li>\n<li>Decomposition reactions involve one product breaking down. ( )<\/li>\n<li>Rusting is a type of chemical reaction. ( )<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>In chemistry, everything revolves around changes. Whether it&#8217;s cooking food, rusting iron, or burning wood, chemical reactions make these transformations [&hellip;]<\/p>\n","protected":false},"author":53,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Chemical Reactions and Equations Class 10 Worksheet","_yoast_wpseo_title":"Class 10 Chemistry Worksheet: Chemical Reactions and Equations | IL","_yoast_wpseo_metadesc":"Download a detailed Class 10 Chemistry worksheet on Chemical Reactions and Equations. 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