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Question -

Explain the terms with suitableexamples:┬а┬а(i)┬аAlcosol┬а(ii)┬аAerosol┬а(iii)┬аHydrosol



Answer -

(i) Alcosol:

A colloidal solution havingalcohol as the dispersion medium and a solid substance as the dispersed phaseis called an alcosol.

For example: colloidal sol ofcellulose nitrate in ethyl alcohol is an alcosol.

(ii) Aerosol:

A colloidal solution having a gasas the dispersion medium and a solid as the dispersed phase is called anaerosol.

For example: fog

(iii) Hydrosol

A colloidal solution having wateras the dispersion medium and a solid as the dispersed phase is called ahydrosol.

For example: starch sol or goldsol

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