PAN (Peroxyacetyl nitrate) is an important constituent of photochemica – McqOptions

MCQOPTIONS

1.	PAN (Peroxyacetyl nitrate) is an important constituent of photochemical smog. It is a [CBSE PMT 1999; BHU 2005]
A.	Primary pollutant
B.	Secondary pollutant
C.	Natural pollutant
D.	Corrollary pollutant
Answer» C. Natural pollutant

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