Cloud is a colloidal dispersion of

Cloud is a colloidal dispersion of 

(1) Air in a dispersion medium of water 

(2) Fog in a dispersion medium of water 

(3) Mist in a dispersion medium of air 

(4) Water drops in a dispersion medium of air 


Answer: (4) A colloid is a substance microscopically dispersed evenly throughout another substance. A colloidal system consists of two separate phases: a dispersed phase (or internal phase) and a continuous phase (or dispersion medium) in which the colloid is dispersed. A colloidal system may be solid, liquid, or gas. Cloud is a colloidal dispersion of Water drops in a dispersion medium of air. 

Cloud is a colloidal dispersion of   (1) Air in a dispersion medium of water   (2) Fog in a dispersion medium of water   (3) Mist in a dispersion medium of air   (4) Water drops in a dispersion medium of air


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