Fuel Cells NEET Questions

Physical Chemistry - Redox Reactions and Electrochemistry

Fuel Cells MCQ Questions


1.
Fuel cells convert
A.
Heat energy into mechanical energy
B.
Chemical energy into electrical energy
C.
Electrical energy into chemical energy
D.
Thermal energy into electrical energy
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ANSWER :
B. Chemical energy into electrical energy
2.
The most common fuel used in fuel cells is
A.
Hydrogen
B.
Carbon monoxide
C.
Methane
D.
Ethanol
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ANSWER :
A. Hydrogen
3.
In hydrogen-oxygen fuel cell, water is formed at
A.
Anode
B.
Cathode
C.
Both anode and cathode
D.
None of these
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ANSWER :
B. Cathode
4.
A fuel cell is a device that produces electricity through
A.
Combustion
B.
Oxidation-Reduction reactions
C.
Induction
D.
Magnetism
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ANSWER :
B. Oxidation-Reduction reactions
5.
The electrolyte used in hydrogen-oxygen fuel cell is
A.
Sulphuric acid
B.
Potassium hydroxide
C.
Sodium chloride
D.
Phosphoric acid
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ANSWER :
D. Phosphoric acid
6.
The by-product of hydrogen-oxygen fuel cell is
A.
Hydrogen
B.
Carbon dioxide
C.
Water
D.
Oxygen
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ANSWER :
C. Water