What is acid rain? Write the respective chemical reactions using the formation of rain.
It is the rain water containing H2SO4, HNO3 & a small amount of HCl which are formed from the oxides of sulphur & nitrogen present in the air as pollutants.
2SO2 + O2+ 2H2O →2H2SO4
4NO2 + O2+ 2H2O → 4HNO3