NEET-XI-Chemistry
07: Environmental Chemistry
- #6What is smog? How is classical smog different from photochemical smog?
Ans : Smog is a kind of air pollution. It is the blend of smoke and fog. There are two kinds of smog:
a) Classical smog
b) Photochemical smog
The two smogs can be differentiated as follows:
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Classical smog
Photochemical smog
Occurrence
It occurs in a cool, humid climate.
It occurs in a dry, sunny climate.
Components
Smoke, fog, and sulphurdioxide.
PAN, acrolein, ozone, formaldehyde, nitric oxide.
Nature
It is reducing in nature
It is oxidizing in nature.
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