How is `SO_2` an air pollutant?

What is the role of SO_2 in air pollution?

Explain the following fact : SO_2 acts as an air pollutant.

How does CO act as an air pollutant?

In which year was the Air prevention and Control of Pollution Act amended to include noise as air pollutant?

Choose the correct alternative: CO / SO2 is major pollutant which decreases O_2 carrying capacity of haemoglobin of blood.

What is pollution? Differentiate between primary air pollutants and secondary air pollutants.

What are air pollutants? Write any five major air pollutants. What are ill-effects of these pollutants?

Mention the names of air pollutants