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Home Objective Questions Question Answer
EXAM PREPARATION

Objective Question & Answer

QUESTION

Objective Question

Q.1

The major photochemical oxidant is

A

hydrogen peroxide
B

ozone
C

nitrogen oxides
D

peroxyl acetyl nitrate (PAN)
Answer ( Option C)

nitrogen oxides

Solution

The photochemical oxidants are secondary air pollutants formed by the action of sunlight on nitrogen oxides and reactive hydrocarbons, their precursors. The most important phytotoxic components produced by these atmospheric photochemical reactions are ozone and peroxyacetyl nitrate.

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