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Electrochemistry MCQ Questions And Answers - Chemistry Class 12

Electrochemistry MCQs : This section focuses on the "Electrochemistry" 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 the subdiscipline of chemistry that deals with the study of the relationship between electrical energy and chemical changes.

A. Kinetics
B. Surface Chemistry
C. Electrochemistry
D. None of the above

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Question 2

Electrochemical cell are of _______ types.

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

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Question 3

The galvanic cell converts chemical energy into electrical energy

C. Can be true or false
D. Can not say

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Question 4

This tendency of losing of electrons( oxidation) or gaining of electrons( reduction) is called?

A. Standard electrode potential
B. Salt bridge
C. Electrochemical series
D. Electrode potential

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Question 5

Which of the following is a metal used to conduct electrons in a cell?

A. no cell
B. full cell
C. Both A and B
D. half cell

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Question 6

The aqueous solution of which of the following compounds is the best conductor of electric current?

A. Acetic acid
B. Hydrochloric acid
C. Ammonia
D. Fructose

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Question 7

An increase in the conductivity equivalent of a solid electrolyte with dilution is primarily due to

A. increased ionic mobility of ions
B. 100 percent electrolyte ionisation with natural dilution
C. increase in both ion numbers and ionic mobility
D. rise in ion counts

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Question 8

When heating one end of a metal plate, the other end gets hot because of

A. the resistance of the metal
B. mobility of atoms in the metal
C. energised electrons moving to the other end
D. minor perturbation in the energy of atoms

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Question 9

Which of the following can be used as fuel in a fuel cell?

A. Nitrogen
B. Argon
C. Helium
D. Hydrogen

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Question 10

The electrolytic cell converts electrical energy to chemical energy

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

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