Chemistry MCQ Questions with answers

WhatsApp Facebook 🖤 Twitter

Here Important Chemistry MCQ questions are added which are frequently asked in almost all the examinations. You can check the correct answer of any question on clicking the show answer button. The Correct answer will be displayed below. You can share any question with your friends on whatsapp by tapping Share button.

Learn Chemistry mcqs in hindi here.

Q. Which of the following is an example of a buffer solution?

  • (A) HCl + H₂O
  • (B) NaOH + H₂O
  • (C) CH₃COOH + CH₃COONa
  • (D) NaCl + H₂O
📝 Notes
✅ Correct Answer: (C) CH₃COOH + CH₃COONa
Explanation: A mixture of a weak acid and its salt forms a buffer solution that resists changes in pH.

Published by Jyoti ⭐ 1.79K Points at 16-Jun-2026 06:41 am in Chemistry

Q. Which of the following compounds is called gypsum?

  • (A) CaSO₄·2H₂O
  • (B) CaCO₃
  • (C) CaO
  • (D) Ca(OH)₂
📝 Notes
✅ Correct Answer: (A) CaSO₄·2H₂O
Explanation: Gypsum is calcium sulfate dihydrate with the chemical formula CaSO₄·2H₂O.

Published by Jyoti ⭐ 1.79K Points at 16-Jun-2026 06:41 am in Chemistry

Jump to

Attempt 100+ Quizzes on Chemistry

📱 Download Our App

Learn MCQs on the go with our easy-to-use Android app

Get it on Google Play

📚 Select Subject

Click on any subject to explore thousands of MCQs and start practicing