Chemistry Quiz 2026 – Free Online Chemistry MCQs with Answers for SSC, Railway, BPSC & All Govt Exams


Prepare for SSC CGL, SSC CHSL, MTS, Railway (RRB), BPSC, UPSC, Banking, Defence and other government examinations with ToppersPortal’s Chemistry Quiz. Each practice set contains 10 carefully selected multiple-choice questions based on previous years’ exam patterns and important concepts. Every question includes the correct answer and a concise explanation to help you strengthen your conceptual understanding and improve your exam score.

📘
Chemistry Quiz — Set 1
📚 Subject: Chemistry
📝 Test Type: Practice
❓ 10 Questions
⏱ 8 Minutes

▶ Start Quiz

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📚 Quiz Instructions

  • 10 Questions
  • 08 Minutes Time Limit
  • +4 Correct / -1 Wrong Marking
  • Navigate freely with Prev / Next
  • Results with explanations at the end

08:00
Question 1 / 10


1. What is the pH value of pure water at 25°C?




2. What is the chemical formula of washing soda?




3. Which acid is present in the human stomach?




4. The atomic number of an element is equal to the number of-




5. Which of the following is the hardest naturally occurring substance?




6. What is the value of Avogadro’s number?




7. Which gas is present in the highest percentage in Earth’s atmosphere?




8. Stainless steel is primarily an alloy of iron, chromium and-




9. What is the chemical name of quick lime?




10. Noble gases are placed in which group of the modern periodic table?





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Question-wise Review & Explanations


FAQ Section

Frequently Asked Questions

What is a Chemistry Quiz?

  • A Chemistry Quiz is an online multiple-choice test designed to assess your knowledge of important Chemistry concepts commonly asked in SSC, Railway, BPSC, UPSC, Banking and other competitive examinations. It covers Physical, Organic and Inorganic Chemistry with answers and explanations.

Is this Chemistry Quiz free?

  • Yes. All Chemistry quizzes on ToppersPortal are completely free to attempt.

How many questions are there in each quiz?

  • Each quiz contains 10 carefully selected MCQs with a timer.

Are answers provided?

  • Yes. Every question includes the correct answer along with a short explanation.

Which exams are covered?

  • SSC CGL, SSC CHSL, SSC MTS, Railway, BPSC, UPSC, Banking, Defence, State PSC.

Is there a timer?

  • Yes. Every quiz is time-based to simulate real exam conditions.

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