Match the following: List- I List- II Type of Colloid Phase in medium ( A ) Aerosol ( I ) Solid in solid ( B ) Emulsion ( II ) Liquid in solid ( C ) Foam ( III ) Gas in liquid ( D ) Gel ( IV ) Solid in gas ( V ) Liquid in liquid The correct answer is

A = IV , B = V , C = III , D = II

A = I , B = II , C = III , D = IV

A = IV , B = V , C = II , D = III

A = II , B = V , C = I , D = IV

Match the following: (i) Foam (a) smoke (ii) Gel (b) cell fluid (iii) Aerosol (c) jellies (iv) Emulsion (d) rubber (e) froth (f) milk

(i) – (e), (ii) – (c), (iii) – (a), (iv) – (f)

(i) – (b), (ii) – (c), (iii) – (e), (iv) – (d)

(i) – (d), (ii) – (b), (iii) – (a), (iv) – (e)

(i) – (d), (ii) – (b), (iii) – (e), (iv) – (f)

EASY

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Important Questions on Surface Chemistry

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Classification of Colloids

In which of the sols, the colloidal particles are with negative charge?

MEDIUM

Chemistry>Physical Chemistry>Surface Chemistry>Classification of Colloids

Identify the correct molecular picture showing what happens at the critical micellar concentration $(CMC)$ of an aqueous solution of a surfactant

Question Image

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Classification of Colloids

Kraft temperature is the temperature:

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Classification of Colloids

Match the following:

	List- $I$		List- $II$
	Type of Colloid		Phase in medium
( $A$ )	Aerosol	( $I$ )	Solid in solid
( $B$ )	Emulsion	( $II$ )	Liquid in solid
( $C$ )	Foam	( $III$ )	Gas in liquid
( $D$ )	Gel	( $IV$ )	Solid in gas
		( $V$ )	Liquid in liquid

The correct answer is

MEDIUM

Chemistry>Physical Chemistry>Surface Chemistry>Classification of Colloids

Molar conductivity

(⋀_{m})

of aqueous solution of sodium stearate, which behaves as a strong electrolyte, is recorded at varying concentration(c) of sodium stearate. Which one of the following plots provides the correct representation of micelle formation in the solution?

(Critical micelle concentration (CMC) is marked with an arrow in the figures.)

MEDIUM

Chemistry>Physical Chemistry>Surface Chemistry>Classification of Colloids

The mass of Haemoglobin in