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Examples of secondary air pollutants is/...

Examples of secondary air pollutants is/are:

A

smog

B

`O_(3)`

C

PAN

D

All of these

Text Solution

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The correct Answer is:
D
The secondary pollutants are not emitted directly, but are formed in the air when primary pollutants react or interact photochemically to form photochemical oxidants. These include smong, `O_(3)`, PAN , etc.
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