Colloidal solution cannot be prepared by

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(D) Colloidal solutions are prepared by various methods like chemical methods (hydrolysis,reduction,oxidation,double decomposition) and physical metho

Vedclass · Accepted Answer

Electrophoresis

Vedclass · Answer

(D) Colloidal solutions are prepared by various methods like chemical methods (hydrolysis,reduction,oxidation,double decomposition) and physical methods (peptization,Bredig's arc method). Electrophoresis is a phenomenon involving the movement of colloidal particles under the influence of an electric field. It is used for the purification or characterization of colloids,not for their preparation. Therefore,the correct answer is $D$.

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