Question

Assertion (A): The oxides of nitrogen and sulphur combine with rainwater and come down as acid rain.
Reason (R): Acid rains cause depletion of ozone layer.

• A. Both A and R are true and R is the correct explanation of A
• B. Both A and R are true but R is not correct explanation of A
• C. A is true and R is false
• D. A is false and R is true

Answer 1

The correct option is C A is true and R is false

Below are few properties of acid rain:
1) Acid rains are obtained due to oxides of nitrogen & sulphur.
2) Nitric acid and sulphuric acid in the atmosphere dissolve in rain water and come down to earth as acid rain.
3) It may have a pH less than 5.6
4) There is no relation of acid rain with ozone layer.