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Environmental Chemistry - 13
1.
Bacterial action produces NOx mainly NO.
a) False
b) True
2.
The residence time of NO and NO
2
in the atmosphere are 5 and 6 days respectively.
a) True
b) False
3.
Natural sources of carbon monoxide emission are volcanic eruption, natural gas emission and oxidation of CH
4
in the atmosphere.
a) False
b) True
4.
Small quantities of hydrocarbons are emitted by different trees and plants in atmosphere.,
a) False
b) True
5.
Basic rain now a days is termed as acid deposition.
a) True
b) False
6.
In some countries due to release of HCl by volcanic eruption there is temporary basic rain.
a) True
b) False
7.
The word smog is a combination of smoke and fog.
a) False
b) True
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