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Explain the terms with suitable examples : (i) Alcosol (ii) Aerosol (iii) Hydrosol. |
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Answer» Solution :(i) Alcosol : Colloidal sol, in which alcohol is used as DISPERSION medium is called alcosol. In this sol, dispersion phase is in SOLID FORM. e.g. alcosol of cellulose nitrate made in ethyle alcohol. (ii) Aerosol : Colloidal sol, in which dispersian medium is gaseous and dispersion phase is in solid form is called aerosol. e.g. smoke. (III) Hydrosol : Colloidal sol in which water is used as dispersion medium and disperssion phase is in solid form its KNOWN as hydrosol, e.g. sol of starch, gold sol. |
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