The aerosol is a kind of colloid in which :
solid is dispersed in gas
gas is dispersed in solid
gas is dispersed in liquid
liquid is dispersed in water
Acid rain -
Rainfall and other precipitation with a pH of less than 5.6 . Acidic components, sulphuric acid and nitric acid,
are emitted into the atmosphere from thermal power plants, industries, automobiles.
Solid is dispersed in gas.
Aerosol is suspension of fine solid or liquid particles in air or other gas.
Example :- fog,dust,smoke etc.
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