Fog is a colloidal solution of
Liquid in gas
Gas in liquid
Solid in gas
Gas in gas
Fog/ Mist -
When a large mass of air containing dust particle is cooled below its dew point, the moisture from the air condenses on the surface of these particles forming fine droplets. These droplets being colloidal in nature continue to float in air in the form of fog or mist.
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Fog is an example of aerosol in which dispersed phaseis liquid and dispersion medium is gas
Option 1)
Liquid in gas
This is correct answer
Option 2)
Gas in liquid
This is incorrect answer
Option 3)
Solid in gas
This is incorrect answer
Option 4)
Gas in gas
This is incorrect answer