Top 1000+ Solved Chemistry MCQ Questions Answer
Q. Name the particle that is most essential to continue the chain reaction during the fission of uranium -
a. Electron
b. Proton
c. Neutron
d. Positron
Q. Which one amongst the following is not a Green House gas?
a. Nitrogen
b. Carbon dioxide
c. Carbon Monoxide
d. Chloro fluoro carbons
Q. The element used in the manufacture of safety matches is –
a. Phosphorous
b. Magnesium
c. Silicon
d. Sulphur
Q. Sea water can be purified by the process of –
a. distillation
b. evaporation
c. filtration
d. fractional distillation
Q. Which is/ are the important raw materials in cement industry?
a. Limestone
b. Gypsum and Clay
c. Clay
d. Limestone and Clay
Q. The acid rain destroys vegetations because it contains –
a. nitric acid
b. ozone
c. carbon monoxide
d. sulphuric acid
Q. Diamonds are glittering and attractive because light incident on them undergoes –
a. highest refraction
b. multiple internal reflections
c. multiple surface reflections
d. hundred percent transmission
Q. On heating, Gypsum loses certain percentage of its water content and becomes
a. Chalk
b. Calcium sulphate
c. Plaster of Paris
d. a pearl
Q. What is the element required for solar energy conversion?
a. Beryllium
b. Tantalum
c. Silicon
d. Ultra pure carbon
Q. What is the chemical name for `Baking Soda'?
a. Sodium carbonate
b. Sodium bicarbonate
c. Sodium nitrite
d. Sodium nitrate
Q. Which of the following is used to remove rust stains on cloth?
a. Kerosene
b. Lime
c. Oxalic acid solution
d. Petrol