An emulsion is a colloidal dispersion of

What causes Brownian motion in colloidal dispersion?

Choose the correct reason$(s)$ for the stability of the lyophobic colloidal particles.
$(A)$ Preferential adsorption of ions on their surface from the solution.
$(B)$ Preferential adsorption of solvent on their surface from the solution.
$(C)$ Attraction between different particles having opposite charges on their surface.
$(D)$ Potential difference between the fixed layer and the diffused layer of opposite charges around the colloidal particles.

Which of the following information is incorrect?

Lyophobic colloids are:

The ability of an ion to bring about coagulation of a given colloid depends upon