Acid rain is the downpour of :

MCQ

A
Carbon dioxide in rain.
B
Dust in rain.
✓
Sulphur dioxide in rain.
D
Oxygen in rain.

✓

Answer

Correct option: C.

Sulphur dioxide in rain.

Acid rain is caused by a chemical reaction that begins when compounds like sulphur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

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