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: Hydrochloric acid reacts with sodium hydroxide to form:
A) Salt only
B) Gas
C) Salt and water
D) Water only
Q: Which of these is a greenhouse gas?
A) Helium
B) Carbon dioxide
C) Argon
D) Oxygen
Q: Most reactive non-metal element is:
A) Oxygen
B) Sulfur
C) Chlorine
D) Fluorine
Q: Metalloids show properties of:
A) Non-metals
B) Metals
C) Both
D) None
Q: The number of neutrons in an atom is found by:
A) Atomic number – protons
B) Mass number – atomic number
C) Atomic number + electrons
D) Protons – electrons