Top 1000+ Solved Chemistry MCQ Questions Answer
Q. Which of the following metals can deposit copper from copper sulphate solution?
a. platinum
b. Mercury
c. Iron
d. Gold
Q. When Arsenic atoms are added Germanium lattice, it becomes a/an -
a. Insulator
b. Superconductor
c. Intrinsic semiconductor
d. Extrinsic semiconductor
Q. Hydrogen bomb is based upon the principle of .
a. Nuclear fission
b. Nuclear fusion
c. Controller nuclear reaction
d. None of these
Q. In an acid base reaction which product is produced along with a salt?
a. Hydrogen gas
b. Oxygen gas
c. Carbon dioxide
d. Water
Q. The basic chemical building block of natural rubber obtained from trees is –
a. Isoprene
b. Vinyl Chloride
c. Acetylene
d. Neoprene
Q. The substance that is added to make natural rubber strong and more bouncy is –
a. Polythene
b. Sponge
c. Sulphur
d. Chlorine
Q. The amount of Chlorine available in water after disinfection is called as –
a. free chlorine
b. residual chlorine
c. free available chlorine
d. combined available chlorine
Q. What are the major pollutants of cigarette smoke?
a. Carbon monoxide and dioxin
b. Carbon monoxide and nicotine
c. Carbon monoxide and benzene
d. Dioxin and benzene
Q. The chemical name of 'Common salt' is
a. Sodium chloride
b. Sodium nitrate
c. Ammonium chloride
d. Calcium chloride
Q. By-product obtained by soap industry is –
a. Caustic soda
b. Glycerol
c. Naphthalene
d. Caustic potash