Chemistry MCQs
Chemistry MCQs cover organic, inorganic, physical, analytical, and biochemistry topics. Perfect for FSc, BSc, CSS, PMS, NTS, and competitive exams, they enhance concept mastery, analytical skills, speed, and accuracy for academic and job test success.
Q: Which acid is used in car batteries?
A) Sulfuric acid
B) Nitric acid
C) Acetic acid
D) Hydrochloric acid
Q: The most abundant element in Earth’s crust is:
A) Oxygen
B) Iron
C) Silicon
D) Calcium
Q: During electrolysis of water, the gas collected at the cathode is:
A) Oxygen
B) Hydrogen
C) Nitrogen
D) Carbon dioxide
Q: Which color indicates a strong base on universal indicator?
A) Blue
B) Purple
C) Red
D) Green
Q: Bleaching powder is chemically known as:
A) Calcium oxychloride
B) Calcium chloride
C) Calcium carbonate
D) Calcium hydroxide