Explain the following giving a suitable example for each.
(i) Aerosol (ii) Emulsion (iii) Micelle

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Solution

(i) An aerosol is a colloid in which dispersed phase is a solid and dispersion medium is a gas, eg., dust, smoke.
(ii) Emulsion is a colloid solution in which both the dispersed phase and dispersion medium are in liquid state, eg., milk and cod liver oil.
(iii) They are associated colloids showing colloidal behavior at high concentration and strong electrolytes as low concentration, eg., soap.

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