Consider the following: 1. Carbon monoxide 2. Nitrogen oxide 3. Ozone 4. Sulphur dioxide. Excess of which of…
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 cause(s) of acid rain?
1, 2 and 3
2 and 4 only
4 only
1, 3 and 4
Solution
Acid rain is primarily caused by sulphur dioxide (forming sulphuric acid) and nitrogen oxides (forming nitric acid) in the atmosphere. Carbon monoxide and ozone do not cause acid rain.