Acid rain is known to contain some acids. Name these acids and where from they come in the rain?
When pH of rain water is below 5.6 then it is acid rain. Acid rain is a by-product of a variety of human activities that emit the oxides of sulphur and nitrogen in the atmosphere.
2SO2 (g) + O2 (g) + 2H2O (l) → 2H2SO4 (aq)
4NO2 (g) + O2 (g)+ 2H2O (l) → 4HNO3 (aq) . Nitric acid and sulphuric acid are acids present in acid rain.