Explain the terms with suitable examples:
(i) Alcosol (ii) Aerosol (iii) Hydrosol

Explanation

`a.` Alcohol `:` It is a colloidal dispersion having alcohol as the dispersion medium, `e.g.,` collodion `(` a colloidal sol of cellulose nitrate in ethyl alcohol `)`. ltbr. `b.` Aerosol `:` It is a colloidal dispersion of a liquid in a gas, `e.g., `fog.
`c.` Hydrosol `:` It is a colloidal sol of a solid in water as the dispersion medium `e.g.,` starch sol or gold sol.