{"id":41922,"date":"2026-08-11T14:23:43","date_gmt":"2026-08-11T08:53:43","guid":{"rendered":"https:\/\/www.oliveboard.in\/blog\/?p=41922"},"modified":"2026-08-11T14:23:44","modified_gmt":"2026-08-11T08:53:44","slug":"top-100-rrb-ntpc-chemistry-questions","status":"publish","type":"post","link":"https:\/\/www.oliveboard.in\/blog\/top-100-rrb-ntpc-chemistry-questions\/","title":{"rendered":"Top RRB NTPC Chemistry Questions, Download PDF"},"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\/top-100-rrb-ntpc-chemistry-questions\/#Download_Top_RRB_NTPC_Chemistry_Questions_PDF\" >Download Top RRB NTPC Chemistry Questions PDF<\/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\/top-100-rrb-ntpc-chemistry-questions\/#Practice_the_Most_Repeated_Questions_for_RRB_NTPC_Chemistry\" >Practice the Most Repeated Questions for RRB NTPC Chemistry<\/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\/top-100-rrb-ntpc-chemistry-questions\/#Sign_Up\" >Sign Up<\/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\/top-100-rrb-ntpc-chemistry-questions\/#Login\" >Login<\/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\/top-100-rrb-ntpc-chemistry-questions\/#Forgot_Password\" >Forgot Password<\/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\/top-100-rrb-ntpc-chemistry-questions\/#i\" >&nbsp;<\/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\/top-100-rrb-ntpc-chemistry-questions\/#Sign_Up-2\" >Sign Up<\/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\/top-100-rrb-ntpc-chemistry-questions\/#Login-2\" >Login<\/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\/top-100-rrb-ntpc-chemistry-questions\/#Forgot_Password-2\" >Forgot Password<\/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\/top-100-rrb-ntpc-chemistry-questions\/#i-2\" >&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.oliveboard.in\/blog\/top-100-rrb-ntpc-chemistry-questions\/#What_is_the_RRB_NTPC_Exam_Pattern\" >What is the RRB NTPC Exam Pattern?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.oliveboard.in\/blog\/top-100-rrb-ntpc-chemistry-questions\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Chemistry plays a crucial role in the General Science section of the Railway RRB NTPC 2026 Exam. Every year, a good number of questions are asked from basic Chemistry concepts that test your understanding of everyday science rather than deep theoretical knowledge. Topics like elements &amp; compounds, acids and bases, metals and non-metals, chemical reactions, states of matter, and daily life chemistry are frequently repeated in the exam.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-download-top-rrb-ntpc-chemistry-questions-pdf\"><span class=\"ez-toc-section\" id=\"Download_Top_RRB_NTPC_Chemistry_Questions_PDF\"><\/span>Download Top RRB NTPC Chemistry Questions PDF<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A free PDF comprising the top RRB NTPC chemistry questions has been provided below based on NTPC Chemistry Previous Question Papers. Download it and understand the question type and level of difficulty:<\/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 wp-element-button\" href=\"https:\/\/www.oliveboard.in\/chemistry-questions-for-rrb-ntpc\/?ref=contad-blog-tcq\" target=\"_blank\" rel=\"noreferrer noopener\">Download Free PDF<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-practice-the-most-repeated-questions-for-rrb-ntpc-chemistry\"><span class=\"ez-toc-section\" id=\"Practice_the_Most_Repeated_Questions_for_RRB_NTPC_Chemistry\"><\/span>Practice the Most Repeated Questions for RRB NTPC Chemistry<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Given below are some of the most repeated chemistry questions for the RRB NTPC Exam<a href=\"https:\/\/www.oliveboard.in\/ssc-chsl-notification\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">.<\/a>&nbsp;Attempt them live and check your score as per the real exam marking scheme.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<link rel=\"stylesheet\" href=\"https:\/\/courses.oliveboard.in\/edge\/css\/login-modal-for-blog.css\">\n\n<style>\n#quiz-1-sticky-header {\n  position: sticky;\n  top: 0;\n  z-index: 100;\n  background: #1565c0;\n  color: #fff;\n  padding: 12px 20px;\n  border-radius: 10px 10px 0 0;\n  display: flex;\n  justify-content: space-between;\n  align-items: center;\n  font-size: 16px;\n  font-weight: bold;\n  box-shadow: 0 2px 8px rgba(0,0,0,0.2);\n  margin: -20px -20px 20px -20px;\n}\n\n#quiz-1-score-badge {\n  background: rgba(255,255,255,0.2);\n  padding: 4px 12px;\n  border-radius: 20px;\n  font-size: 15px;\n  white-space: nowrap;\n}\n#quiz-1 * { box-sizing: border-box; }\n\n#quiz-1 .quiz-container {\n  max-width: 700px;\n  margin: auto;\n  padding: 20px;\n  background: #fff;\n  border-radius: 14px;\n  box-shadow: 0 6px 16px rgba(0,0,0,0.12);\n}\n\n#quiz-1 h2 {\n  text-align: center;\n}\n\n#quiz-1 .question {\n  margin-bottom: 22px;\n}\n\n#quiz-1 .question p {\n  font-weight: bold;\n}\n\n#quiz-1 button {\n  width: 100%;\n  padding: 12px;\n  margin: 6px 0;\n  border: none;\n  border-radius: 6px;\n  background: #e0e0e0;\n  color: #000;\n  font-size: 16px;\n  cursor: pointer;\n}\n\n#quiz-1 button:hover {\n  background: #d5d5d5;\n}\n\n#quiz-1 button.correct {\n  background: #4caf50;\n  color: #000;\n}\n\n#quiz-1 button.wrong {\n  background: #f44336;\n  color: #000;\n}\n\n#quiz-1 button.locked {\n  pointer-events: none;\n}\n\n\/* SUMMARY *\/\n#quiz-1 .final-summary {\n  margin-top: 40px;\n  padding: 20px;\n  border-radius: 14px;\n  background: #fafafa;\n  border: 2px solid #4caf50;\n}\n\n#quiz-1 .final-summary h3 {\n  text-align: center;\n  margin-bottom: 20px;\n}\n\n#quiz-1 .summary-row {\n  display: grid;\n  grid-template-columns: 120px 1fr 40px;\n  gap: 10px;\n  align-items: center;\n  margin-bottom: 12px;\n  font-weight: bold;\n}\n\n#quiz-1 .summary-bar {\n  height: 14px;\n  background: #ddd;\n  border-radius: 10px;\n  overflow: hidden;\n}\n\n#quiz-1 .bar-fill {\n  height: 100%;\n  width: 0%;\n}\n\n#quiz-1 .bar-attempted { background: #2196f3; }\n#quiz-1 .bar-correct { background: #4caf50; }\n#quiz-1 .bar-wrong { background: #f44336; }\n#quiz-1 .bar-unattempted { background: #9e9e9e; width: 100%; }\n\n#quiz-1 .final-score {\n  text-align: center;\n  font-size: 22px;\n  margin-top: 20px;\n}\n\n#quiz-1 .score-value {\n  font-size: 30px;\n  margin-left: 8px;\n}\n<\/style>\n<\/head>\n\n<body>\n<div id=\"quiz-1\">\n  <div class=\"quiz-container\">\n<div id=\"quiz-1-sticky-header\">\n  <span>RRB NTPC Chemistry Questions<\/span>\n  <span id=\"quiz-1-score-badge\">Score: <strong id=\"quiz-1-score-value\">0.00<\/strong><\/span>\n<\/div>\n\n    <!-- QUESTIONS -->\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q1. Which of the following is an example of a strong acid?<\/p>\n  <button data-correct=\"false\">A) CH\u2083COOH<\/button>\n  <button data-correct=\"true\">B) HCl<\/button>\n  <button data-correct=\"false\">C) H\u2082CO\u2083<\/button>\n  <button data-correct=\"false\">D) H\u2083PO\u2084<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q2. The atomic number of an element represents the number of:<\/p>\n  <button data-correct=\"false\">A) Neutrons<\/button>\n  <button data-correct=\"true\">B) Protons<\/button>\n  <button data-correct=\"false\">C) Electrons and neutrons<\/button>\n  <button data-correct=\"false\">D) Nucleons<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q3. Which gas is liberated when zinc reacts with dilute hydrochloric acid?<\/p>\n  <button data-correct=\"false\">A) Oxygen<\/button>\n  <button data-correct=\"false\">B) Nitrogen<\/button>\n  <button data-correct=\"true\">C) Hydrogen<\/button>\n  <button data-correct=\"false\">D) Chlorine<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q4. The pH value of a neutral solution at 25\u00b0C is:<\/p>\n  <button data-correct=\"false\">A) 0<\/button>\n  <button data-correct=\"false\">B) 14<\/button>\n  <button data-correct=\"true\">C) 7<\/button>\n  <button data-correct=\"false\">D) 1<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q5. Which of the following is an exothermic process?<\/p>\n  <button data-correct=\"false\">A) Melting of ice<\/button>\n  <button data-correct=\"false\">B) Evaporation of water<\/button>\n  <button data-correct=\"true\">C) Combustion of methane<\/button>\n  <button data-correct=\"false\">D) Sublimation of iodine<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q6. The valency of aluminium is:<\/p>\n  <button data-correct=\"false\">A) 1<\/button>\n  <button data-correct=\"false\">B) 2<\/button>\n  <button data-correct=\"true\">C) 3<\/button>\n  <button data-correct=\"false\">D) 4<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q7. Which of the following is a noble gas?<\/p>\n  <button data-correct=\"false\">A) Nitrogen<\/button>\n  <button data-correct=\"false\">B) Oxygen<\/button>\n  <button data-correct=\"true\">C) Argon<\/button>\n  <button data-correct=\"false\">D) Hydrogen<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q8. The chemical formula of quick lime is:<\/p>\n  <button data-correct=\"false\">A) CaCO\u2083<\/button>\n  <button data-correct=\"true\">B) CaO<\/button>\n  <button data-correct=\"false\">C) Ca(OH)\u2082<\/button>\n  <button data-correct=\"false\">D) CaCl\u2082<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q9. Rusting of iron requires:<\/p>\n  <button data-correct=\"false\">A) Oxygen only<\/button>\n  <button data-correct=\"false\">B) Water only<\/button>\n  <button data-correct=\"true\">C) Oxygen and water<\/button>\n  <button data-correct=\"false\">D) Carbon dioxide only<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q10. Which of the following is a homogeneous mixture?<\/p>\n  <button data-correct=\"false\">A) Sand and water<\/button>\n  <button data-correct=\"false\">B) Oil and water<\/button>\n  <button data-correct=\"true\">C) Salt solution<\/button>\n  <button data-correct=\"false\">D) Chalk powder in water<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q11. The molecular formula of ozone is:<\/p>\n  <button data-correct=\"false\">A) O\u2082<\/button>\n  <button data-correct=\"true\">B) O\u2083<\/button>\n  <button data-correct=\"false\">C) O\u2084<\/button>\n  <button data-correct=\"false\">D) O\u2085<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q12. The number of electrons in sodium ion (Na\u207a) is:<\/p>\n  <button data-correct=\"false\">A) 11<\/button>\n  <button data-correct=\"true\">B) 10<\/button>\n  <button data-correct=\"false\">C) 12<\/button>\n  <button data-correct=\"false\">D) 9<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q13. Which type of bond is formed by sharing of electrons?<\/p>\n  <button data-correct=\"false\">A) Ionic bond<\/button>\n  <button data-correct=\"true\">B) Covalent bond<\/button>\n  <button data-correct=\"false\">C) Metallic bond<\/button>\n  <button data-correct=\"false\">D) Hydrogen bond<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q14. Which indicator turns pink in basic solution?<\/p>\n  <button data-correct=\"false\">A) Methyl orange<\/button>\n  <button data-correct=\"false\">B) Litmus<\/button>\n  <button data-correct=\"true\">C) Phenolphthalein<\/button>\n  <button data-correct=\"false\">D) Starch<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q15. The gas used in the Haber process is:<\/p>\n  <button data-correct=\"false\">A) Oxygen<\/button>\n  <button data-correct=\"false\">B) Hydrogen<\/button>\n  <button data-correct=\"true\">C) Nitrogen and Hydrogen<\/button>\n  <button data-correct=\"false\">D) Carbon dioxide<\/button>\n<\/div>\n\n    <!-- FINAL SUMMARY -->\n    <div class=\"final-summary\">\n      <h3>Quiz Summary <\/h3>\n\n      <div class=\"summary-row\">\n        <span>Attempted<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-attempted\" data-summary=\"attempted\"><\/div><\/div>\n        <span data-count=\"attempted\">0<\/span>\n      <\/div>\n\n      <div class=\"summary-row\">\n        <span>Correct<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-correct\" data-summary=\"correct\"><\/div><\/div>\n        <span data-count=\"correct\">0<\/span>\n      <\/div>\n\n      <div class=\"summary-row\">\n        <span>Wrong<\/span>\n        <div class=\"summary-bar\"><div 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}\n      else { wrong++; }\n      restoreQuestion(q, saved.chosenIndex, saved.correct);\n    }\n  });\n  score = parseFloat((correct * 1 - wrong * 0.33).toFixed(2));\n  updateUI();\n\n  \/\/ Attach click handlers\n  questions.forEach((q, qIndex) => {\n    q.querySelectorAll(\"button\").forEach((btn, btnIndex) => {\n      btn.addEventListener(\"click\", () => {\n        if (q.dataset.answered === \"true\") return;\n        q.dataset.answered = \"true\";\n        attempted++;\n\n        if (attempted > 7 && l_log == 0) {\n          $('#modal-signup').addClass('is-active');\n        }\n\n        q.querySelectorAll(\"button\").forEach(b => b.classList.add(\"locked\"));\n        const isCorrect = btn.dataset.correct === \"true\";\n\n if (isCorrect) {\n          btn.classList.add(\"correct\");\n          correct++;\n        } else {\n          btn.classList.add(\"wrong\");\n          wrong++;\n          q.querySelector(\"[data-correct='true']\").classList.add(\"correct\");\n        }\n        score = parseFloat((correct * 1 - wrong * 0.33).toFixed(2));\n\n        savedAnswers[qIndex] = { chosenIndex: btnIndex, correct: isCorrect };\n        saveState(savedAnswers);\n        updateUI();\n      });\n    });\n  });\n\n  updateUI();\n})();\n<\/script>\n\n<\/body>\n<\/html>\n\n\n\n<p><\/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 wp-element-button\" href=\"https:\/\/www.oliveboard.in\/rrb-ntpc-mock-test\/?ref=contad-blog-tcq\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt Free RRB NTPC Mock Test<\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<link rel=\"stylesheet\" href=\"https:\/\/courses.oliveboard.in\/edge\/css\/login-modal-for-blog.css\">\n\n<style>\n#quiz-2-sticky-header {\n  position: sticky;\n  top: 0;\n  z-index: 100;\n  background: #1565c0;\n  color: #fff;\n  padding: 12px 20px;\n  border-radius: 10px 10px 0 0;\n  display: flex;\n  justify-content: space-between;\n  align-items: center;\n  font-size: 16px;\n  font-weight: bold;\n  box-shadow: 0 2px 8px rgba(0,0,0,0.2);\n  margin: -20px -20px 20px -20px;\n}\n\n#quiz-2-score-badge {\n  background: rgba(255,255,255,0.2);\n  padding: 4px 12px;\n  border-radius: 20px;\n  font-size: 15px;\n  white-space: nowrap;\n}\n#quiz-2 * { box-sizing: border-box; }\n\n#quiz-2 .quiz-container {\n  max-width: 700px;\n  margin: auto;\n  padding: 20px;\n  background: #fff;\n  border-radius: 14px;\n  box-shadow: 0 6px 16px rgba(0,0,0,0.12);\n}\n\n#quiz-2 h2 {\n  text-align: center;\n}\n\n#quiz-2 .question {\n  margin-bottom: 22px;\n}\n\n#quiz-2 .question p {\n  font-weight: bold;\n}\n\n#quiz-2 button {\n  width: 100%;\n  padding: 12px;\n  margin: 6px 0;\n  border: none;\n  border-radius: 6px;\n  background: #e0e0e0;\n  color: #000;\n  font-size: 16px;\n  cursor: pointer;\n}\n\n#quiz-2 button:hover {\n  background: #d5d5d5;\n}\n\n#quiz-2 button.correct {\n  background: #4caf50;\n  color: #000;\n}\n\n#quiz-2 button.wrong {\n  background: #f44336;\n  color: #000;\n}\n\n#quiz-2 button.locked {\n  pointer-events: none;\n}\n\n\/* SUMMARY *\/\n#quiz-2 .final-summary {\n  margin-top: 40px;\n  padding: 20px;\n  border-radius: 14px;\n  background: #fafafa;\n  border: 2px solid #4caf50;\n}\n\n#quiz-2 .final-summary h3 {\n  text-align: center;\n  margin-bottom: 20px;\n}\n\n#quiz-2 .summary-row {\n  display: grid;\n  grid-template-columns: 120px 1fr 40px;\n  gap: 10px;\n  align-items: center;\n  margin-bottom: 12px;\n  font-weight: bold;\n}\n\n#quiz-2 .summary-bar {\n  height: 14px;\n  background: #ddd;\n  border-radius: 10px;\n  overflow: hidden;\n}\n\n#quiz-2 .bar-fill {\n  height: 100%;\n  width: 0%;\n}\n\n#quiz-2 .bar-attempted { background: #2196f3; }\n#quiz-2 .bar-correct { background: #4caf50; }\n#quiz-2 .bar-wrong { background: #f44336; }\n#quiz-2 .bar-unattempted { background: #9e9e9e; width: 100%; }\n\n#quiz-2 .final-score {\n  text-align: center;\n  font-size: 22px;\n  margin-top: 20px;\n}\n\n#quiz-2 .score-value {\n  font-size: 30px;\n  margin-left: 8px;\n}\n<\/style>\n<\/head>\n\n<body>\n<div id=\"quiz-2\">\n  <div class=\"quiz-container\">\n<div id=\"quiz-2-sticky-header\">\n  <span>RRB NTPC Chemistry Questions Set 2<\/span>\n  <span id=\"quiz-2-score-badge\">Score: <strong id=\"quiz-2-score-value\">0.00<\/strong><\/span>\n<\/div>\n\n    <!-- QUESTIONS -->\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q16. Which of the following is an alkali metal?<\/p>\n  <button data-correct=\"false\">A) Magnesium<\/button>\n  <button data-correct=\"false\">B) Calcium<\/button>\n  <button data-correct=\"true\">C) Sodium<\/button>\n  <button data-correct=\"false\">D) Aluminium<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q17. The SI unit of molarity is:<\/p>\n  <button data-correct=\"false\">A) mol\/kg<\/button>\n  <button data-correct=\"true\">B) mol\/L<\/button>\n  <button data-correct=\"false\">C) g\/L<\/button>\n  <button data-correct=\"false\">D) g\/mol<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q18. Which of the following compounds contains an ester functional group?<\/p>\n  <button data-correct=\"false\">A) CH\u2083COOH<\/button>\n  <button data-correct=\"true\">B) CH\u2083COOCH\u2083<\/button>\n  <button data-correct=\"false\">C) C\u2082H\u2085OH<\/button>\n  <button data-correct=\"false\">D) CH\u2083CHO<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q19. The process of coating iron with zinc is called:<\/p>\n  <button data-correct=\"false\">A) Alloying<\/button>\n  <button data-correct=\"true\">B) Galvanisation<\/button>\n  <button data-correct=\"false\">C) Electroplating<\/button>\n  <button data-correct=\"false\">D) Rusting<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q20. Avogadro number is:<\/p>\n  <button data-correct=\"true\">A) 6.022 \u00d7 10\u00b2\u00b3<\/button>\n  <button data-correct=\"false\">B) 3.14 \u00d7 10\u2078<\/button>\n  <button data-correct=\"false\">C) 9.8 \u00d7 10\u00b2<\/button>\n  <button data-correct=\"false\">D) 1.6 \u00d7 10\u207b\u00b9\u2079<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q21. Which of the following is a reducing agent?<\/p>\n  <button data-correct=\"false\">A) Oxygen<\/button>\n  <button data-correct=\"true\">B) Hydrogen<\/button>\n  <button data-correct=\"false\">C) Nitric acid<\/button>\n  <button data-correct=\"false\">D) Potassium permanganate<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q22. The electron configuration of chlorine (Z = 17) is:<\/p>\n  <button data-correct=\"true\">A) 2,8,7<\/button>\n  <button data-correct=\"false\">B) 2,7,8<\/button>\n  <button data-correct=\"false\">C) 2,8,8<\/button>\n  <button data-correct=\"false\">D) 2,6,9<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q23. Which of the following metals reacts with cold water vigorously?<\/p>\n  <button data-correct=\"false\">A) Copper<\/button>\n  <button data-correct=\"false\">B) Iron<\/button>\n  <button data-correct=\"true\">C) Sodium<\/button>\n  <button data-correct=\"false\">D) Silver<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q24. The process of separation of crude oil is called:<\/p>\n  <button data-correct=\"false\">A) Filtration<\/button>\n  <button data-correct=\"false\">B) Distillation<\/button>\n  <button data-correct=\"true\">C) Fractional distillation<\/button>\n  <button data-correct=\"false\">D) Sublimation<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q25. Which of the following is an example of a polymer?<\/p>\n  <button data-correct=\"false\">A) Glucose<\/button>\n  <button data-correct=\"false\">B) Ethanol<\/button>\n  <button data-correct=\"true\">C) Polyethylene<\/button>\n  <button data-correct=\"false\">D) Benzene<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q26. Which of the following particles has no charge?<\/p>\n  <button data-correct=\"false\">A) Proton<\/button>\n  <button data-correct=\"false\">B) Electron<\/button>\n  <button data-correct=\"true\">C) Neutron<\/button>\n  <button data-correct=\"false\">D) Positron<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q27. The oxidation state of sulphur in H\u2082SO\u2084 is:<\/p>\n  <button data-correct=\"false\">A) +2<\/button>\n  <button data-correct=\"false\">B) +4<\/button>\n  <button data-correct=\"true\">C) +6<\/button>\n  <button data-correct=\"false\">D) \u22122<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q28. Which of the following metals is extracted by electrolysis?<\/p>\n  <button data-correct=\"false\">A) Iron<\/button>\n  <button data-correct=\"true\">B) Aluminium<\/button>\n  <button data-correct=\"false\">C) Copper<\/button>\n  <button data-correct=\"false\">D) Zinc<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q29. The main constituent of natural gas is:<\/p>\n  <button data-correct=\"false\">A) Ethane<\/button>\n  <button data-correct=\"false\">B) Propane<\/button>\n  <button data-correct=\"true\">C) Methane<\/button>\n  <button data-correct=\"false\">D) Butane<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q30. Which law states that mass can neither be created nor destroyed?<\/p>\n  <button data-correct=\"false\">A) Law of definite proportions<\/button>\n  <button data-correct=\"true\">B) Law of conservation of mass<\/button>\n  <button data-correct=\"false\">C) Boyle\u2019s law<\/button>\n  <button data-correct=\"false\">D) Charles\u2019 law<\/button>\n<\/div>\n\n    <!-- FINAL SUMMARY -->\n    <div class=\"final-summary\">\n      <h3>Quiz Summary <\/h3>\n\n      <div class=\"summary-row\">\n        <span>Attempted<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-attempted\" data-summary=\"attempted\"><\/div><\/div>\n        <span data-count=\"attempted\">0<\/span>\n      <\/div>\n\n      <div class=\"summary-row\">\n        <span>Correct<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-correct\" data-summary=\"correct\"><\/div><\/div>\n        <span data-count=\"correct\">0<\/span>\n      <\/div>\n\n      <div class=\"summary-row\">\n        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The details are tabulated below:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Duration: 90 minutes<\/li>\n\n\n\n<li>+1 for every correct answer<\/li>\n\n\n\n<li>-1\/3 for every wrong answer<\/li>\n\n\n\n<li>Total marks: 100<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Section<\/strong><\/td><td><strong>Question<\/strong><\/td><td><strong>Marks<\/strong><\/td><\/tr><tr><td>Mathematics<\/td><td>30<\/td><td>30<\/td><\/tr><tr><td>General Intelligence and Reasoning<\/td><td>30<\/td><td>30<\/td><\/tr><tr><td>General Awareness<\/td><td>40<\/td><td>40<\/td><\/tr><tr><td><strong>Total<\/strong><\/td><td><strong>100<\/strong><\/td><td><strong>100<\/strong><\/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 wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/rrb-ntpc-pyps\/?ref=contad-blog-tcq\" target=\"_blank\" rel=\"noreferrer noopener\">Download RRB NTPC Previous Year Question Papers<\/a><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-rrb-ntpc-exam-pattern-for-cbt-2\">RRB NTPC Exam Pattern for CBT 2<\/h3>\n\n\n\n<p>The CBT 2 exam pattern consists of 120 questions in total. Each question carries one mark. Negative marking of -1\/3 mark also applies for every incorrect answer. Check out the details given below:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Section<\/strong><\/td><td><strong>Questions<\/strong><\/td><td><strong>Marks<\/strong><\/td><\/tr><tr><td>Mathematics<\/td><td>35<\/td><td>35<\/td><\/tr><tr><td>General Intelligence and Reasoning<\/td><td>35<\/td><td>35<\/td><\/tr><tr><td>General Awareness<\/td><td>50<\/td><td>50<\/td><\/tr><tr><td>Total<\/td><td><strong>120<\/strong><\/td><td><strong>120<\/strong><\/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 aligncenter\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/rrb-ntpc-question-practice\/?ref=contad-blog-tcq\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt RRB NTPC questions Live<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faqs\"><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-1772457216307\"><strong class=\"schema-faq-question\">Q1. How many Chemistry questions are asked in the RRB NTPC exam?<\/strong> <p class=\"schema-faq-answer\">In the RRB NTPC exam, Chemistry questions are asked under the General Science section, usually 5\u20138 questions, depending on the paper level. <\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772457253656\"><strong class=\"schema-faq-question\">Q2. What are the most important Chemistry topics for RRB NTPC 2026?<\/strong> <p class=\"schema-faq-answer\">Important topics include Acids, Bases &amp; Salts, Metals &amp; Non-metals, Chemical Reactions, Elements &amp; Compounds, States of Matter, and Chemistry in Everyday Life. These topics are frequently repeated in the exam.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772457266617\"><strong class=\"schema-faq-question\">Q3. Are NCERT books enough for Chemistry preparation in RRB NTPC?<\/strong> <p class=\"schema-faq-answer\">Yes, NCERT Chemistry books (Class 6\u201310) are more than sufficient for RRB NTPC. Most questions are directly based on NCERT-level concepts and definitions.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772457281587\"><strong class=\"schema-faq-question\">Q4. Is Chemistry difficult for non-science students?<\/strong> <p class=\"schema-faq-answer\">No, Chemistry in RRB NTPC is easy and scoring, even for non-science students. Questions are straightforward and related to daily life examples, making them easy to understand with regular practice.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772457298244\"><strong class=\"schema-faq-question\">Q5. How can I score maximum marks in Chemistry for RRB NTPC 2026?<\/strong> <p class=\"schema-faq-answer\">Focus on basic concepts, revise important formulas and reactions, practice previous year questions, and attempt mock tests regularly. Consistent revision can help you score full marks in this section.<\/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\/top-100-rrb-ntpc-chemistry-questions\/\">Top RRB NTPC Chemistry Questions, Download PDF<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/current-affairs-questions-for-rrb-ntpc-cbt-2\/\">Important RRB NTPC CBT 2 Current Affairs Questions, Download PDF<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/memory-based-questions-in-rrb-ntpc\/\">RRB NTPC Memory Based Questions, Download PDF<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/gk-questions-for-rrb-ntpc-cbt-2-exam\/\">Top RRB NTPC GK Questions For CBT 2, Download Free PDF<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/rrb-ntpc-question-practice\/\">Top RRB NTPC Practice Questions, Download Free PDF<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/general-awareness-for-rrb-ntpc\/\">RRB NTPC General Awareness Questions and Answers PDF, Attempt Live Quiz<\/a><\/li>\n<\/ul>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>Chemistry plays a crucial role in the General Science section of the Railway RRB NTPC 2026 Exam. Every year, a<\/p>\n","protected":false},"author":63,"featured_media":238864,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[555,10234],"tags":[],"class_list":["post-41922","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-railways-rrb","category-rrb-ntpc","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>Top RRB NTPC Chemistry Questions, Download PDF<\/title>\n<meta name=\"description\" content=\"The important chemistry questions for the RRB NTPC exam have been given in this article. 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This is Arijit Dutta. I am a skilled Content Writer at Oliveboard with nearly 3+ years of experience in crafting engaging, informative, and exam-focused content for the Railways Domain. With a strong command of language and a keen understanding of learner needs, I contribute significantly to Oliveboard\u2019s mission of delivering high-quality educational resources. Passionate about clear communication and continuous learning, I consistently create content that helps government job aspirants achieve their goals. Outside of work, I enjoy playing cricket and listening to music, which helps me stay balanced and creative in my professional journey."},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/top-100-rrb-ntpc-chemistry-questions\/#faq-question-1772457216307","position":1,"url":"https:\/\/www.oliveboard.in\/blog\/top-100-rrb-ntpc-chemistry-questions\/#faq-question-1772457216307","name":"Q1. How many Chemistry questions are asked in the RRB NTPC exam?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"In the RRB NTPC exam, Chemistry questions are asked under the General Science section, usually 5\u20138 questions, depending on the paper level. ","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/top-100-rrb-ntpc-chemistry-questions\/#faq-question-1772457253656","position":2,"url":"https:\/\/www.oliveboard.in\/blog\/top-100-rrb-ntpc-chemistry-questions\/#faq-question-1772457253656","name":"Q2. What are the most important Chemistry topics for RRB NTPC 2026?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Important topics include Acids, Bases &amp; Salts, Metals &amp; Non-metals, Chemical Reactions, Elements &amp; Compounds, States of Matter, and Chemistry in Everyday Life. These topics are frequently repeated in the exam.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/top-100-rrb-ntpc-chemistry-questions\/#faq-question-1772457266617","position":3,"url":"https:\/\/www.oliveboard.in\/blog\/top-100-rrb-ntpc-chemistry-questions\/#faq-question-1772457266617","name":"Q3. Are NCERT books enough for Chemistry preparation in RRB NTPC?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes, NCERT Chemistry books (Class 6\u201310) are more than sufficient for RRB NTPC. Most questions are directly based on NCERT-level concepts and definitions.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/top-100-rrb-ntpc-chemistry-questions\/#faq-question-1772457281587","position":4,"url":"https:\/\/www.oliveboard.in\/blog\/top-100-rrb-ntpc-chemistry-questions\/#faq-question-1772457281587","name":"Q4. Is Chemistry difficult for non-science students?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No, Chemistry in RRB NTPC is easy and scoring, even for non-science students. Questions are straightforward and related to daily life examples, making them easy to understand with regular practice.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/top-100-rrb-ntpc-chemistry-questions\/#faq-question-1772457298244","position":5,"url":"https:\/\/www.oliveboard.in\/blog\/top-100-rrb-ntpc-chemistry-questions\/#faq-question-1772457298244","name":"Q5. How can I score maximum marks in Chemistry for RRB NTPC 2026?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Focus on basic concepts, revise important formulas and reactions, practice previous year questions, and attempt mock tests regularly. Consistent revision can help you score full marks in this section.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/41922","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/users\/63"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/comments?post=41922"}],"version-history":[{"count":13,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/41922\/revisions"}],"predecessor-version":[{"id":249513,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/41922\/revisions\/249513"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/media\/238864"}],"wp:attachment":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/media?parent=41922"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/categories?post=41922"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/tags?post=41922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}