Question
Download Solution PDFSelect the air pollutant that does NOT belong to the category of secondary air pollutants.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Secondary air pollutant
1) Sulphuric acid (H2SO4)
2) Formaldehydes
3) Photochemical smog
4) Ozone
5) Peroxy Acetyl – nitrate (PAN)
Primary air pollutant
1) SO2
2) CO & CO2
3) NO, NO2
4) Volatile organic compound
5) Suspended Particulate Matter (SPM)
6) Radioactive compound
7) Halogen compound
Important Points
(i) Secondary air pollutant are those which are formed by the reaction of one or more primary air pollutant either with each other or with water vapour in the presence of sun light.
Last updated on Jul 1, 2025
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