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: Boiling point of water in Celsius is?
A) 100°C
B) 120°C
C) 50°C
D) 0°C
Q: Which element has the lowest atomic mass?
A) Lithium
B) Helium
C) Hydrogen
D) Beryllium
Q: Which chemical is used to bleach clothes?
A) Calcium carbonate
B) Ethanol
C) Sodium chloride
D) Hydrogen peroxide
Q: Which salt is formed when HCl reacts with NaOH?
A) NaCl
B) NH₄Cl
C) CaCl₂
D) KCl
Q: Which element is liquid at room temperature?
A) Gallium
B) Iodine
C) Bromine
D) Mercury