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MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic ChemistryEnvironmental ChemistryO3, NO2 acrolein, formaldehyde and PAN

Which of the following belongs to secondary air pollutants?

A.PAN✓ Correct

B.Hydrocarbon

C.SO2

D.CFCs

Explanation

PAN and O3 belong to secondary air pollutants.

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