Top 1000+ Solved Chemistry MCQ Questions Answer
Q. Ultraviolet rays can be used in water treatment as –
a. Flocculator
b. Precipitator
c. Hydrolyser
d. Disinfectant
Q. Vinegar is used as a condiment, and in the pickling of vegetables and other foods. What is the constituent of vinegar?
a. Butanoic acid
b. Methanoic acid
c. Ethanoic acid
d. Hexanoic acid
Q. Which of the following is used as a moderator in nuclear reactors?
a. Thorium
b. Graphite
c. Ordinary water
d. Radium
Q. The inert gas which is substituted for nitrogen in the air used by deep sea divers for Breathing is:
a. Neon
b. Argon
c. Krypton
d. Helium
Q. Asbestos is formed of :
a. Calcium and Magnesium
b. Copper, Zinc and Manganese
c. Lead and Iron
d. Calcium and Zinc
Q. Energy posses by a body in motion is called -
a. Kinetic Energy
b. Potential Energy
c. Both of Above
d. None of Above
Q. The value of Avogadro Number is -
a. 6.023 x 1022
b. 6.023 x 1023
c. 6.023 x 1024
d. 6.023 x 1025
Q. In silvery paints, the main constituent present is -
a. Aluminium powder
b. Silver powder
c. Lead powder
d. White lead
Q. Which one of the following is-a greenhouse gas?
a. Nitrogen
b. Helium
c. Carbon dioxide
d. Sulphur dioxide
Q. The gas involved in Bhopal incident was -
a. Hydrogen sulphide
b. Nitrogen dioxide
c. Methyl chloride
d. Methyl isocyanide
Q. Alcohol prepared by the distillation of wood is:
a. Propyl alcohol
b. Methyl alcohol
c. Ethyl alcohol
d. Glycerolx