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Surface Chemistry MCQ Questions And Answers - Chemistry Class 12

Surface Chemistry MCQs : This section focuses on the "Surface Chemistry" in Chemistry Class 12. These Multiple Choice Questions (MCQs) should be practiced to improve the Chemistry Class 12 skills required for various exams, interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

___________ is referred to as the study of the phenomenon occurring on the surfaces of substances.

A. Chemistry Kinetics
B. Isolation
C. Block Elements
D. Surface chemistry

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Question 2

Due to the force of interaction between adsorbate and adsorbent, adsorption in surface chemistry is classified into _______ types.

A. 1
B. 2
C. 3
D. 4

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Question 3

There exists a weak van der Waals force between adsorbate and adsorbent.

A. Physical Adsorption
B. Chemical Adsorption
C. Chemisorption
D. None of the above

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Question 4

What are the Applications of Emulsions?

A. Paints
B. Toothpaste
C. Digestion of fats
D. All of the above

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Question 5

Emulsions are ________, to increase the stability another substance called emulsifiers are added.

A. stable
B. unstable
C. Both A and B
D. None of the above

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Question 6

Which one of the following is an example of adsorption?

A. ammonia in contact with water
B. anhydrous CaCl2 with water
C. silica gel in contact with water vapours
D. All of the above

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Question 7

Which of the following colloids are solvent hating?

A. lyophilic
B. lyophobic
C. hydrophilic
D. None of the above

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Question 8

The process of separating a crystalloid, from a colloid by filtration is called

A. emulsification
B. coagulation
C. dialysis
D. peptization

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Question 9

An emulsifier is a substance which

A. stabilizes the emulsion
B. coagulates the emulsion
C. retards the dispersion of liquid in liquid
D. causes homogenesis of emulsion

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Question 10

The colloidal solutions in which both dispersed phase and dispersion medium are liquids are called Emulsions.

A. Yes
B. No
C. Can be yes or no
D. Can not say

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