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Explain the terms with suitable examples: (1) Alcosol (ii) Aerosol and (ii) Hydrosol. |
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Answer» Solution : (i) Alcosol : It is a colloidal dispersion having alcohol as the dispersion medium, For EXAMPLE, COLLODION. It is a colloidal sol of cellulose nitrate in ETHYL alcohol. (ii) Aerosol : It is a colloidal dispersion of a liquid in a gas. For example, fog (iii) HYDROSOL : It is a colloidal sol of a solid in water as the dispersion medium. For example, starch sol. |
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