Natural Sources of Air Pollution

Q.

31. What are the human activities that cause air pollution?

Q.

State :

(i) natural sources of air pollution

(ii) man-made sources of air pollution

Q.

Name any two :

(a) natural sources of atmospheric polluction.

(b) gases which are responsible for the formation of acid rain.

Q.

Acid rains are produced by ___________.

1. Excess of nitrogen dioxide and sulphur dioxide from burning fossil fuels

2. Excess formation of carbon dioxide by combustion and animal respiration

3. Excess production of ammonium gas by industry

4. Excess release of carbon monoxide by incomplete combustion

Q.

33. Air pollution occurs only by natural sources.

1. True
2. False

Q.

How do the following pollutants are added in air?

(a) Sulphur dioxide:

(b) Nitrogen dioxide:

Q. Burning of coal helps in generation of electricity.

1. False
2. True

Q. Lamps on the roads can be lit with the help of solar energy.

1. False
2. True