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Acid rain occurs when sulfur dioxide and nitrogen oxides combine with water vapors in the atmosphere and fall as rain. Which of the following is not caused by acid rain?
Decreased quality of air
Reduced growth of forests
Reduced pH of water bodies
Destruction of marble buildings

A

Decreased quality of air

B

Reduced growth of forests

C

Reduced pH of water bodies

D

Destruction of marble buildings

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Solution

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Acid rain does not pollute air rather acid rain is caused due to the air pollution. The air pollutants consisting $S O_{2}$ and $N O_{x}$ , they combine with the water vapour.

$S O_{2} + O_{2} + H_{2} O ⟶ H_{2} S O_{4}$

$N O + H_{2} O ⟶ H N O_{2}$

$N O_{2} + H_{2} O ⟶ H N O_{3}$

Due to the formation of these acids, the rain is acidic.

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