NEET Chemistry Surface Chemistry Questions Solved

BOARD

How are the following colloids different from each other in respect of 

dispersion medium and dispersed phase? Give one example of each type.

(i) An aerosol   (ii) A hydrosol    (iii) An emulsion

(i) An aerosol: It is a colloidal solution in which dispersed phase is a

solid and dispersion medium is a gas.

Example: Smoke, haze.

(ii) A hydrosol: The colloidal solution where water is used as the dispersion 

medium is called hydrosol or aquasol.

Example: Starch sol.

(iii) An emulsion: The colloidal solution in which both dispersed phase and

medium are in liquid state.

Example: Milk, cream.

 

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