The colloidal sols are purified by

Oils are purified by:

Colloidal can be purified by

Colloids can be purified by :

(a) A colloidal sol is prepared by the given method in figure. What is the charge of AgI colloidal particles in the test tube ? How is the sol formed, represented? (b) Explain how the phenomenon of adsorption finds application in Heterogeneous catalysis. (c) Which of the following electroytes is the most effective for the coagulation of Fe(OH)_(3) sol which is a positively charged sol? NaCI, Na_(2)SO_(4), Na_(3)PO_(4)

Why lyophilic colloidal sols are more stable than lyophobic colloidal sols ?

What type of colloidal sols are formed in the following: a. Sulphur vapours are passed through cooled water. b. White of an egg is mixed with water. c. Soap solution.

What type of colloidal sols are formed in the following ? (i) Through cooled water, vapours of sulphur are passed. (ii) White of an egg is mixed with water.

Blood is purified by :

All colloidal sols show:

When dispersion medium is water, the colloidal sol is called: