Question

30. What do you understand about air pollutants? Give three examples.

Answer 1

• When the air is contaminated by the addition of harmful substances which harm both living and non-living things then it is known as air pollution.
• The substances which contaminate the air are called air pollutants.
• Examples of air pollutants: Sulfur dioxide(SO₂), excess carbon dioxide(CO₂), carbon monoxide(CO)