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)

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

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Which of the following are macromolecular colloids?

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Important Questions on Surface Chemistry

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:

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

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

Curd belongs to the type of colloid

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Classification of Colloids

When a sulphur sol is evaporated sulphur is obtained. On mixing with water sulphur sol is not formed. The sol is

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Classification of Colloids

Gold sol is not a

MEDIUM

Chemistry>Physical Chemistry>Surface Chemistry>Classification of Colloids

An ionic micelle is formed on the addition of:

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Classification of Colloids

Match List I with List II :
List-I List-II

Example of colloids Classification
(a) Cheese (i) dispersion of liquid in liquid
(b) Pumice stone (ii) dispersion of liquid in gas
(c) Hair cream (iii) dispersion of gas in solid
(d) Cloud (iv) dispersion of liquid in solid

Choose the most appropriate answer from the options given below

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Classification of Colloids

The aerosol is a kind of colloid in which

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.)

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Classification of Colloids

Which of the following is not a homogeneous mixture?

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Classification of Colloids

Fog is a colloidal solution of:

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Classification of Colloids

Sulphur sol is an example of

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