A) nitrogen oxides
B) hydrocarbons
C) radical traps
D) formaldehyde
E) peroxy acetyl nitrate
Correct Answer: C
Solution :
Photochemical smog can be suppressed by radical traps. When the compounds are sprayed to the atmosphere they generate free radicals which readily combine with free radical precursors of photochemical smog. Diethyl hydroxylamine has been found to possess smog inhibiting characteristic.
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