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Chemical Engineering - Environmental Engineering - Discussion

Discussion Forum : Environmental Engineering - Section 5 (Q.No. 22)
Environmental Engineering
22.
Photochemical smog is formed from automobile exhaust
by reaction of hydrocarbon & nitric oxide in presence of sunlight.
appears only on sunny days.
is harmful for crops and trees also besides causing eye irritation & asthma.
all (a), (b) & (c)
Answer: Option
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