Fog is an example of which type of colloid?

The process of separating colloidal particles from crystalloid impurities using a semipermeable membrane is known as:

Which of the following statements is not true for a lyophilic sol?

Which of the following substances is classified as a macromolecular colloid?

$100 \; mL$ of $5 \% \; (w/v)$ solution of $NaCl$ in water was prepared in a $250 \; mL$ beaker. Albumin from the egg was poured into the $NaCl$ solution and stirred well. This resulted in a/an:

$A$ colloidal system in which gas bubbles are dispersed in a liquid is known as