Which of the following processes does $NOT$ result in coagulation?

The amount of electrolytes required to coagulate a given amount of $AgI$ colloidal solution ($-ve$ charge) will be in the order:

Which is a natural 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:

How do emulsifying agents stabilize the emulsion?

Give information about coagulation or precipitation.