Which of the following statements is not correct?

Options

A. Peptization is the process by which certain substances are converted into the colloidal state
B. Metal sols of gold, silver and platinum can be prepared by Bredig's arc method
C. Impurities present in a sol makes it more stable
D. Dialysis is a process to remove impurities of ions and molecules from a sol

Answer

C

Explanation

Impurities present in a sol makes it less stable (and no more stable)