Question

In acid rain, the rainwater and snow is contaminated by which of the following pollutants?

A) Sulphur dioxide

B) Nitrogen oxide

C) Carbon dioxide

D) Methane

1. (A), (B) and (D)
2. (A), (C) and (D)
3. Only (B) and (C)
4. Only (A) and (B)

Answer 1

Correct Answer - Option 4 : Only (A) and (B)

The correct answer is Only (A) and (B).

• Acid rain mainly is a mixture of sulphur dioxide and nitrogen oxides.
• The gaseous pollutants from industries contain sulphur and nitrogen which when emitted in the atmosphere mixed with oxygen to form their oxides. These oxides of sulphur and nitrogen contaminate snow and rains causing acid rain.

• Carbon dioxide is the main Greenhouse gas globally.
• Methane is Greenhouse gas emitted by human activity, wetlands and raising livestock