{"id":224839,"date":"2025-08-14T22:03:04","date_gmt":"2025-08-14T16:33:04","guid":{"rendered":"https:\/\/www.oliveboard.in\/blog\/?p=224839"},"modified":"2025-08-14T22:03:05","modified_gmt":"2025-08-14T16:33:05","slug":"chemistry-questions","status":"publish","type":"post","link":"https:\/\/www.oliveboard.in\/blog\/chemistry-questions\/","title":{"rendered":"Chemistry Important Topics, Concepts, Tips and Tricks"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_77 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\" style=\"cursor:inherit\">Table of content<\/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\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><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><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.oliveboard.in\/blog\/chemistry-questions\/#What_Is_Chemistry_in_General_AwarenessGeneral_Studies\" >What Is Chemistry in General Awareness\/General Studies?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.oliveboard.in\/blog\/chemistry-questions\/#Why_Is_Chemistry_Important_in_Competitive_Exams\" >Why Is Chemistry Important in Competitive Exams?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.oliveboard.in\/blog\/chemistry-questions\/#Chemistry_General_AwarenessGeneral_Studies_Important_Topics\" >Chemistry General Awareness\/General Studies Important Topics<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.oliveboard.in\/blog\/chemistry-questions\/#Quick_Memorizing_Tips\" >Quick Memorizing Tips<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.oliveboard.in\/blog\/chemistry-questions\/#What_Are_the_Types_of_Chemistry_Questions_in_General_AwarenessGeneral_Studies\" >What Are the Types of Chemistry Questions in General Awareness\/General Studies?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.oliveboard.in\/blog\/chemistry-questions\/#Chemistry_Easy_Tips_for_General_AwarenessGeneral_Studies\" >Chemistry Easy Tips for General Awareness\/General Studies<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.oliveboard.in\/blog\/chemistry-questions\/#Chemistry_Tricks_for_SSC_CGL_and_Other_Exams\" >Chemistry Tricks for SSC CGL and Other Exams<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.oliveboard.in\/blog\/chemistry-questions\/#Solved_Chemistry_Questions_from_2024%E2%80%9325_Exams\" >Solved Chemistry Questions from 2024\u201325 Exams<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.oliveboard.in\/blog\/chemistry-questions\/#Common_Mistakes_to_Avoid_while_Solving_Chemistry\" >Common Mistakes to Avoid while Solving Chemistry<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.oliveboard.in\/blog\/chemistry-questions\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Chemistry is the study of matter, its properties, and how substances interact, combine, or change. In competitive exams, basic Chemistry questions test your understanding of everyday science, elements, compounds, and chemical reactions. With focused practice, candidates can quickly answer questions from inorganic, organic, and physical Chemistry. In this blog, we have provided the details of the important chemistry topics, concepts, tips and tricks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_Chemistry_in_General_AwarenessGeneral_Studies\"><\/span>What Is Chemistry in General Awareness\/General Studies?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Chemistry is a branch of science that deals with elements, compounds, chemical reactions, and the laws governing them.<\/p>\n\n\n\n<p><strong>Why it appears in exams:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Tests candidates\u2019 basic scientific knowledge.<\/li><li>Often appears in SSC, RRB, Banking exams as 1\u20132 straightforward questions.<\/li><li>Useful for analytical reasoning and real-life applications.<\/li><\/ul>\n\n\n\n<p><strong>Skills required to solve Chemistry questions:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Logical understanding of elements and compounds<\/li><li>Memorization of symbols, formulas, and reactions<\/li><li>Basic visualization of chemical processes<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Is_Chemistry_Important_in_Competitive_Exams\"><\/span>Why Is Chemistry Important in Competitive Exams?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Chemistry is a scoring area with minimal calculations. Most questions are direct or concept-based, making it easy to answer if you revise formulas, symbols, and important reactions.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Exam<\/strong><\/td><td><strong>No. of Questions<\/strong><\/td><td><strong>Difficulty<\/strong><\/td><\/tr><tr><td>SSC CGL \/ CHSL<\/td><td>1\u20132<\/td><td>Easy<\/td><\/tr><tr><td>IBPS PO \/ SBI PO<\/td><td>1\u20132<\/td><td>Moderate<\/td><\/tr><tr><td>RRB NTPC \/ Group D<\/td><td>1<\/td><td>Easy<\/td><\/tr><tr><td>State PSC \/ Police<\/td><td>1\u20132<\/td><td>Moderate<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link\" href=\"https:\/\/www.oliveboard.in\/ibps-po-mock-test\/?ref=contac-acb\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt A Free IBPS PO Mock Test<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Chemistry_General_AwarenessGeneral_Studies_Important_Topics\"><\/span>Chemistry General Awareness\/General Studies Important Topics<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>For competitive exams, key Chemistry topics include elements, compounds, chemical reactions, acids &amp; bases, and atomic structure.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Concept<\/strong><\/td><td><strong>Details<\/strong><\/td><\/tr><tr><td>Atom<\/td><td>Basic unit of matter<\/td><\/tr><tr><td>Molecule<\/td><td>Two or more atoms bonded together<\/td><\/tr><tr><td>Acid<\/td><td>Releases H\u207a ions in solution<\/td><\/tr><tr><td>Base<\/td><td>Releases OH\u207b ions in solution<\/td><\/tr><tr><td>Periodic Table<\/td><td>Arrangement of elements by atomic number<\/td><\/tr><tr><td>Chemical Reaction<\/td><td>Process in which substances change into new ones<\/td><\/tr><tr><td>Oxidation-Reduction<\/td><td>Electron transfer reactions<\/td><\/tr><tr><td>Organic Compounds<\/td><td>Compounds containing carbon<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quick_Memorizing_Tips\"><\/span>Quick Memorizing Tips <span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Quick memorization tips to solve questions based on chemistry are as follows:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Concept<\/strong><\/td><td><strong>Explanation<\/strong><\/td><\/tr><tr><td>Atomic Number<\/td><td>Number of protons in an atom<\/td><\/tr><tr><td>Symbols of Elements<\/td><td>H, O, Na, Cl, etc. (memorize common ones)<\/td><\/tr><tr><td>Valency<\/td><td>Combining capacity of elements<\/td><\/tr><tr><td>Acids &amp; Bases<\/td><td>Acid: H\u207a donor, Base: OH\u207b donor<\/td><\/tr><tr><td>Common Reactions<\/td><td>Combustion, neutralization, oxidation<\/td><\/tr><tr><td>Periodic Table Groups<\/td><td>Metals, non-metals, noble gases<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link\" href=\"https:\/\/www.oliveboard.in\/sbi-po-mock-test\/?ref=contac-acb\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt A Free SBI PO Mock Test<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_the_Types_of_Chemistry_Questions_in_General_AwarenessGeneral_Studies\"><\/span>What Are the Types of Chemistry Questions in General Awareness\/General Studies?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Chemistry questions usually appear in simple formats:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Direct:<\/strong> Ask about a symbol, formula, or reaction.<\/li><li><strong>Indirect:<\/strong> Provides details, e.g., \u201cWhich gas is released when baking soda reacts with acid?\u201d<\/li><li><strong>Story-based:<\/strong> Small scenario, e.g., environmental chemistry, household chemicals.<\/li><li><strong>Mixed-concept:<\/strong> Combines reactions, periodic table, or compound properties.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Chemistry_Easy_Tips_for_General_AwarenessGeneral_Studies\"><\/span>Chemistry Easy Tips for General Awareness\/General Studies<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Easy tips to memorize chemistry concepts are as follows:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Memorize key symbols, atomic numbers, and formulas.<\/li><li>Use flashcards for quick revision of acids, bases, and salts.<\/li><li>Group elements by metals\/non-metals for pattern recognition.<\/li><li>Use elimination for multiple-choice questions when unsure.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Chemistry_Tricks_for_SSC_CGL_and_Other_Exams\"><\/span>Chemistry Tricks for SSC CGL and Other Exams<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Tricks to solve questions based on chemistry are as follows:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Memorize periodic table trends (atomic size, reactivity).<\/li><li>Start with known elements when solving reaction-based questions.<\/li><li>Use elimination for incorrect formulas or symbol options.<\/li><li>Visualize reactions for story-based problems.<\/li><li>Remember common acids and bases in daily life.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Solved_Chemistry_Questions_from_2024%E2%80%9325_Exams\"><\/span>Solved Chemistry Questions from 2024\u201325 Exams<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>1. SSC CGL 2024 Tier 1 Shift 2 \u2013 Memory-Based<\/strong><br><strong>Q:<\/strong> Which gas is released when zinc reacts with hydrochloric acid?<br><strong>Answer:<\/strong> Hydrogen (H\u2082)<br><strong>Explanation:<\/strong> Zn + 2HCl \u2192 ZnCl\u2082 + H\u2082<\/p>\n\n\n\n<p><strong>2. RRB NTPC 2024<\/strong><br><strong>Q:<\/strong> Sodium is classified as which type of element?<br><strong>Answer:<\/strong> Metal<br><strong>Explanation:<\/strong> Sodium is a highly reactive alkali metal.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link\" href=\"https:\/\/www.oliveboard.in\/ssc-cgl-mock-test\/?ref=contac-acb\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt A Free SSC CGL Mock Test<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Mistakes_to_Avoid_while_Solving_Chemistry\"><\/span>Common Mistakes to Avoid while Solving Chemistry<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Common mistakes to avoid while preparing for the Chemistry section are as follows:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Confusing symbols (Na vs. K) double-check periodic table.<\/li><li>Ignoring charges in ions always consider valency.<\/li><li>Misreading reactions write stepwise equations.<\/li><li>Overlooking common compounds memorize acids, bases, salts.<\/li><li>Relying only on memory practice with previous exam questions.<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1755188693751\"><strong class=\"schema-faq-question\">Q1. Which Chemistry topics are frequently asked in SSC exams?<\/strong> <p class=\"schema-faq-answer\">Atomic structure, periodic table, acids-bases, and common compounds.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1755188694809\"><strong class=\"schema-faq-question\">Q2. Are organic chemistry questions asked in GA sections?<\/strong> <p class=\"schema-faq-answer\">Rarely, usually simple questions on carbon compounds.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1755188695670\"><strong class=\"schema-faq-question\">Q3. Which reaction types are important for exams?<\/strong> <p class=\"schema-faq-answer\">Combustion, neutralization, oxidation-reduction, and precipitation.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1755188696751\"><strong class=\"schema-faq-question\">Q4. Is memorization enough to solve Chemistry questions?<\/strong> <p class=\"schema-faq-answer\">Mostly yes, but understanding basics helps in tricky questions.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1755188697446\"><strong class=\"schema-faq-question\">Q5. What are common salts to remember for exams?<\/strong> <p class=\"schema-faq-answer\">Sodium chloride, calcium carbonate, potassium nitrate, and ammonium chloride.<\/p> <\/div> <\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<ul class=\"wp-block-latest-posts__list is-grid columns-3 wp-block-latest-posts\"><li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/up-cooperative-bank-notification\/\">UP Cooperative Bank Recruitment 2026, Application Ends Soon<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-selection-post-pyps\/\">SSC Selection Post Previous Year Question Papers, Download PDFs<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/rbi-assistant-exam-analysis\/\">RBI Assistant Prelims Exam Analysis 2026, 11th and 13th April Review<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-tier-1-pyps\/\">SSC CGL 2025 Tier 1 Question Papers, Shift-Wise PYPs, Download PDFs<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/quant-practice-questions-for-bank-exams\/\">Quant Practice Questions for Bank Exams, FREE PDF and Live Quiz<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-quiz\/\">SSC CGL Quiz 2026, Solve Now &amp; Download PDF Online<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Chemistry is the study of matter, its properties, and how substances interact, combine, or change. In competitive exams, basic Chemistry<\/p>\n","protected":false},"author":58,"featured_media":224844,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31,10231],"tags":[],"class_list":["post-224839","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bank-exams","category-ssc-railways","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Chemistry Important Topics, Concepts, Tips and Tricks<\/title>\n<meta name=\"description\" content=\"Check out the types of questions asked from important chemistry topics, along with concepts, tips, and tricks to solve them.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.oliveboard.in\/blog\/chemistry-questions\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chemistry Important Topics, Concepts, Tips and Tricks\" \/>\n<meta property=\"og:description\" content=\"Chemistry is the study of matter, its properties, and how substances interact, combine, or change. 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