Which of the following is/are primary pollutants? 1. DDT (dichloro-diphenyl-trichloroethane) 2. Plastic 3. Peroxyacetyl Nitrate How many of the statements given above are correct? |ForumIAS

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[A] Only one

[B] Only two

[C] Only three

[D] None

Answer: B

Notes:

Explanation: Primary pollutants: These persist in the form in which they are added to the environment e.g. DDT, plastic.

Secondary Pollutants: These are formed by interaction among the primary pollutants.
For example, peroxyacetyl nitrate (PAN) is formed by the interaction of nitrogen oxides and hydrocarbons.

Source: Shankar IAS