Top 1000+ Solved Chemistry MCQ Questions Answer

a. Silicon and Germanium

b. Carbon and Platinum

c. Iridium and Germanium

d. Tungsten and Platinum

a. nuclear fission

b. radioactivity

c. heat

d. nuclear fusion

a. Carbon dioxide

b. Chlorine

c. Ammonia

d. Hydrogen sulphide

a. as purgative

b. in softening water

c. in paper industry

d. in making tooth paste

a. 100%

b. 80%

c. 75%

d. 60%

a. nitric acid

b. sulfuric acid

c. hydrochloric acid

d. phosphoric acid

a. 1

b. 5

c. 3

d. 8

a. O3 layer

b. O2 layer

c. SO2 layer

d. CO2 layer

a. Pyrex glass

b. Flint glass

c. Quartz glass

d. Fibre glass

a. light

b. heat

c. oxygen

d. catalyst

a. carbon monoxide

b. carbon dioxide

c. ozone

d. oxygen