Civil Services OPSC OAS Mock Test Series 2025 General Knowledge Ecology and Environment Environmental pollution
Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R).
Assertion (A): CO2, SO2 and NO2 gases get dissolved in rain water and produce acid rain.
Reason (R): Atmospheric air is polluted due to high concentration of gases like carbon dioxide, sulphur dioxide and oxides of nitrogen.
Select the correct answer from the codes given below:
1
(A) is false, but (R) is true.
2
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3
Both (A) and (R) are true and (R) is the correct explanation of (A).
4
(A) is true, but (R) is false.