Which among the following is the secondary pollutant?

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CollectorBabu · Accepted Answer

Correct Answer: Smog. A primary pollutant is an air pollutant emitted directly from a source whereas secondary pollutant is not directly emitted as such, but forms when other pollutants (primary pollutants) react in the atmosphere. Eg. of secondary pollutant , smog, ozone, peroxyacyl nitrates (PANs), and nitric acid Therefore, the correct answer is option- A

Which among the following is the secondary pollutant?

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