Question
Chemistry Question on Surface Chemistry
Colloidal solution can be purified by
A
peptization
B
coagulation
C
dialysis
D
Bredig Arc method
Answer
dialysis
Explanation
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).