GK Quiz on Science: Chemistry Set XIX

GK Quiz on Science: Chemistry Set XIX, in this set you will find repository of 10 Multiple Choice Questions that will help you to attune and equipped for different competitive examinations as well as academic examinations.

1. Quartz is composed of:

A. Calcium sulphate

B. Calcium silicate

C. Sodium sulphate

D. Sodium silicate

2. The laughing gas utilized in the form of anaesthesia by the doctors is:

A. Nitrogen

B. Nitrogen oxide

C. Nitrous oxide

D. Nitrogen dioxide

3. The chemical substance which is easily soluble in water:

A. Carbon

B. Nitrogen

C. Ammonia

D. Iodine

4. Usually the coolant which is used as domestic coolant:

A. Neon

B. Ammonia

C. Nitrogen

D. Freon

5. Tear gas is:

A. Ammonia

B. Chlorine

C. Hydrogen chloride

D. Hydrogen sulphide

6. Which of the following is the most abundantly occurring element in the earth-crust?

A. Oxygen

B. Nitrogen

C. Manganese

D. Silicon

7. Which of the following is a paramagnetic substance?

A. Iron

B. Hydrogen

C. Oxygen

D. Nitrogen,

8.0xygen and Ozone are:

A. Allotropes

B. Isotopes

C. Isomers

D. Isobars

9. Which of the following when passes through the alkaline solution of the pyrogalol then ground nut coloured solution is formed?

A. Oxygen

B. Nitrogen

C. Hydrogen

D. Carbon dioxide

10. Which of the following gas is directly respondent for the depletion of ozone layer?

A. Carbon dioxide

B. Carbon monoxide

C. Nitrous oxide

D. Chlorofluorocarbon (CFC)