Question

Match the following

List I		List II
(A)	Solid dispersed in liquid	(I)	Emulsion
(B)	Liquid dispersed in liquid	(II)	Foam
(C)	Gas dispersed in liquid	(III)	Gel
(D)	Liquid dispersed in solid	(IV)	Sol
		(V)	Aerosol

The correct match is

• A. (A)- (IV), (B)-(I), (C)-(II), (D)-(III)
• B. (A)-(III), (B)-(I), (C)-(V), (D)-(II)
• C. (A)-(III), (B)-(I), (C)-(II), (D)-(IV)
• D. (A)-(IV), (B)-(I), (C)-(V), (D)-(III)

Answer 1

Answer: (A)

The examples of colloidal systems are sols (solids in liquids), gels (liquids in solids), emulsions (liquids in liquids) and foams (gases in liquids) whereas aerosols are the colloidal system in which dispersed phase is liquid and dispersion medium is gas.