With an example, state what are secondary pollutants? - Vidyadip

Question

With an example, state what are secondary pollutants?

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Answer

The pollutants that are formed in the atmosphere by chemical interactions between primary pollutants and atmospheric constituents are known as secondary pollutants. Examples of secondary pollutants are Sulphur trioxide, Ozone, Peroxyacetyl Nitrate (PAN), Ketones, etc.

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