Electrochemical Cells (Electrolytic and Galvanic Cells, Different Types of Electrodes,...) NEET Questions

Physical Chemistry - Redox Reactions and Electrochemistry

Electrochemical Cells (Electrolytic and Galvanic Cells, Different Types of Electrodes,...) MCQ Questions


13.
The main purpose of the electrolyte in electrochemical cell is to
A.
Provide resistance
B.
Conduct ions
C.
Act as catalyst
D.
None of these
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ANSWER :
B. Conduct ions
14.
The salt bridge contains
A.
Sugar solution
B.
Solid salt
C.
Porous material soaked in electrolyte
D.
Glass rod
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ANSWER :
C. Porous material soaked in electrolyte
15.
Which of the following cannot be used as an electrode?
A.
Copper rod
B.
Platinum rod
C.
Glass rod
D.
Zinc rod
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ANSWER :
C. Glass rod
16.
Galvanic cell is also known as
A.
Fuel cell
B.
Voltaic cell
C.
Dry cell
D.
Electrolytic cell
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ANSWER :
B. Voltaic cell
17.
In an electrochemical cell, oxidation occurs at
A.
Cathode
B.
Anode
C.
Anywhere
D.
Outside
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ANSWER :
B. Anode
18.
Reduction in a galvanic cell occurs at
A.
Cathode
B.
Anode
C.
Electrolyte
D.
Salt bridge
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ANSWER :
A. Cathode