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: Limewater turns milky in the presence of:
A) Hydrogen
B) Nitrogen
C) Oxygen
D) Carbon dioxide
Q: Acids taste:
A) Sour
B) Bitter
C) Salty
D) Sweet
Q: Litmus paper turns red in the presence of:
A) Base
B) Salt
C) Neutral solution
D) Acid
Q: Ammonia is a:
A) Strong base
B) Strong acid
C) Weak base
D) Weak acid
Q: Isotopes are atoms with the same atomic number but different:
A) Protons
B) Charges
C) Electrons
D) Mass numbers