The correct statement(s) related to colloids is(are)

A

The process of precipitating colloidal sol by an electrolyte is called peptization.

B

Colloidal solution freezes at higher temperature than the true solution at the same concentration.

C

Surfactants form micelle above critical micelle concentration (CMC). CMC depends on temperature.

D

Micelles are macromolecular colloids.