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: Inert gases have how many electrons in their outermost shell?
A) 8
B) 4
C) 2
D) 1
Q: The most reactive non-metal is?
A) Carbon
B) Sulfur
C) Fluorine
D) Oxygen
Q: Which of the following is not a compound?
A) Oxygen
B) Water
C) Carbon dioxide
D) Sodium chloride
Q: Which process converts a liquid into gas?
A) Condensation
B) Melting
C) Sublimation
D) Evaporation
Q: Isotopes differ in their number of?
A) Electrons
B) Ions
C) Neutrons
D) Protons