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What do you understand by air pollutant? What are the chief constituents of air impurities?

Asked by Topperlearning User 27th April 2016, 7:54 AM
Answered by Expert

Air pollutant is a gas or an aerosol produced by human activities whose concentration threatens living organisms or the environment. The chief constituents of air impurities are:

i. Oxides of carbon, nitrogen and sulphur.

ii. Heavy metals like nickel lead cadmium, arsenic, etc.

iii. Fluoride compounds.

iv. Particulate matters like dust, grit, fly ash, etc.

v. Hydrocarbons.

Answered by Expert 27th April 2016, 9:54 AM
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