Blood contains

Among the following electrolytes,which is the most effective coagulating agent for $Fe(OH)_3$ sol?

$A$ colloidal system consists of .....

$100 \; mL$ 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:

Muddy water can be purified through coagulation using

During electro-osmosis of $Fe(OH)_3$ sol,