When sulphur dioxide (SO2) and nitrogen oxides (NOx) are released into the atmosphere, they can react with water, oxygen, and other chemicals to form acidic compounds, such as sulfuric acid and nitric acid. These acids then mix with rain, snow, fog, or dust, falling to the ground as acid deposition (commonly called acid rain).
Acid rain is due to air pollution by
Asked in UPPSC Upper Mains 2007 · Topic: Pollution (Air Pollution: Types, sources, primary & secondary pollutants, smog, acid rain, effects, control technologies & policies.)
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