Particulate Matter

Q.

What are the natural sources of air pollutants?

Q.

Air pollution leads to global warming, acid rain, ozone depletion and a wide variety of respiratory diseases.
Which of the following activities does not contribute to air pollution?

1. Mining of heavy metals
   
2. Exhaust from motor vehicles
3. Application of the fertilizers to soil
4. Emission of Chlorofluorocarbons in the atmosphere

Q.

Question 5
Explain the differences between pure air and polluted air.

Q. It is environmentally important to use unleaded petrol over leaded petrol.

1. True
2. False

Q. Air pollution can lead to which of the following?

1. Allergies
2. Smog
3. Contamination of water bodies
4. Contamination of soil

Q.

Dry cleaning of clothes gives off toxic fumes.

1. True

2. False

Q. Match the given sources of air pollution with the pollutants they emit.

1. Sulphur dioxide
2. Carbon monoxide
3. Particulate matter

Q.

Explain the difference between pure air and polluted air.