Question

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

• A. Sulphur dioxide
• B. Carbon monoxide
• C. Particulate matter

Answer 1

Pollutants are those substances which on introduction to the environment gives undesirable results like adverse health effects.

$\bullet$ Oil refineries produce oxides of sulphur and nitrogen forming sulphur dioxide or nitrogen dioxide.

$\bullet$ Vehicles emit carbon dioxide and carbon monoxide.
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​​​​​​​$\bullet$ Power plants release particulate matter which combine with fog to form smog.