Question

Fog and smoke both are colloidal in nature ? How do they differ ?

Answer 1

fog is formed by water vapours while smoke is formed by unburnt carbon particles by burning something

both are different

Answer 2

Fog is water vapor in atmosphere which condenses due to low temperature and forms dense white thing in atmosphere,it is not a pollutant but it reduces visibility. Smoke is a collection of airborne solid and liquid particulates and gases emitted when a material undergoes combustion.