The process of removing dissolved impurities from a colloidal system by means of diffusion through suitable membrane under the influence of an electric field is called :
A
electro-osmosis
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B
electrodialysis
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C
electrophoresis
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D
peptization
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Solution
The correct option is D electrodialysis The process of removing dissolved impurities from a colloidal system by means of diffusion through suitable membrane under the influence of an electric field is called electrodialysis. The process of purification in electrodialysis is faster than that in dialysis due to application of electric field.