UPSC PRELIMS · GEOGRAPHY · AIR POLLUTION AND ACID RAIN
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?
Take a breath. Choose one. Press A–D on your keyboard if you like.
EXPLANATION
Acid rain is mainly associated with sulfur and nitrogen oxides, which form sulfuric and nitric acids in the atmosphere.
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