Answer to Question #231401 in Chemical Engineering for pavani

Question

5)Define the terms primary and secondary air pollutant with the suitable examples?

Answer 1

Primary air pollutants are those that are formed and emitted directly from particular sources. Examples are particulates, carbon monoxide.

However, secondary pollutants are pollutants which form in the atmosphere. These pollutants are not emitted directly from a source.

Examples of a secondary pollutant include ozone.