A) electrophoresis
B) dialysis
C) chromatography
D) peptisation
Correct Answer: B
Solution :
Key Idea: Define all terms to find correct answer. [a] Electrophoresis is movement of colloidal particles under the influence of an electric field. [b] Dialysis is method for purification of colloids. In this method particles are separated from those of crystalloids. [c] Chrqmatography is method for purification of organic compounds. [d] Peptisation is process of conversion of colloid into precipitate by addition of electrolyte.
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