Explain the following terms giving a suitable example of each:
(i) Aerosol (ii) Emulsion (iii) Micelle
(i) Aerosol: An aerosol is a colloid in which dispersed phase is a solid and
dispersion medium is a gas.
Example: Smoke, dust
(ii) Emulsion: It is a colloidal solution of two immiscible liquids of
which one is the dispersion medium while the other is the dispersed
(iii) Micelles: They are associated colloids showing colloidal behavoiur
at high concentration and strong electrolytes at low concentration.
Example: Soap, detergent.