1.

_Direct reaction of unsaturated hydrocarbons with either NO or NO‚ÇÇ produces an eye irritating pollutant compound known as$?

A. Photochemical smog
B. Peroxy acetyl nitrate (PAN) or methyl nitrile
C. Benzopyrene
D. Poly acrylonitrile
Answer» C. Benzopyrene


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