[Solved] Consider the following: Carbon monoxide Nitrogen oxide Ozone Sulphur dioxide Excess of which of the above in the environment is/are the cause(s) of acid rain?

Q100) Consider the following:

1. Carbon monoxide
2. Nitrogen oxide
3. Ozone
4. Sulphur dioxide

Excess of which of the above in the environment is/are the cause(s) of acid rain?

1. 1, 2 and 3
2. 2 and 4 only
3. 4 only
4. 1, 3 and 4

Answer: 2

Explanation:

• Acid rain results when sulfur dioxide (SO2) and nitrogen oxides (NOX) are emitted into the atmosphere and transported by wind and air currents.
• The SO2 and NOX react with water, oxygen and other chemicals to form sulfuric and nitric acids.
• These then mix with water and other materials before falling to the ground.