MEDIUMMCQ SINGLENEET 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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