Detergent action of soap is due to

Explain the cleansing action of soaps.

What is the particle size range in a colloidal system?

When a sulphur sol is evaporated,sulphur is obtained. On mixing with water,the sulphur sol is not formed. The sol is

Which colloidal sol is known as 'Aqua-dag'?

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.