Explain the terms with suitable examples: (i) Alcosol (ii) Aerosol (iii) Hydrosol
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Solution
(i) Alcosol is a colloidal solution of a solid (dispersed phase) in alcohol (Dispersion medium).
E.g colloidal solution of cellulose nitrate in ethyl alcohol. (ii) Aerosol is a colloidal solution of a liquid (dispersed phase) in gas (Dispersion medium). Example includes fog. (iii) Hydrosol is a colloidal solution of a solid (dispersed phase) in water (Dispersion medium).