When soap is added to an oily part of cloth,the hydrocarbon part of soap dissolves in

Which of the following pairs can be separated by dialysis?

The precipitation power of an electrolyte increases with:

Which metal sol cannot be prepared by Bredig's arc method?

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 a higher temperature than the true solution at the same concentration.
$(C)$ Surfactants form micelles above the critical micelle concentration $(CMC)$. $CMC$ depends on temperature.
$(D)$ Micelles are macromolecular colloids.

Which of the following pairs is correctly matched?