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  4. Colloidal solution can be purified by

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Q. Colloidal solution can be purified by

Surface Chemistry

Solution:

Colloidal solutions can be purified by dialysis. It may be defined as the process of separating a crystalloid from a colloid by diffusion or filtration through a fine membrane. The process of dialysis can be quickened by using hot water (hot dialysis) or by applying an electric field (electrodialysis).