Fuel Cells NEET Questions

Physical Chemistry - Redox Reactions and Electrochemistry

Fuel Cells MCQ Questions


13.
Which of these components is essential in a fuel cell?
A.
Magnet
B.
Catalyst
C.
Light bulb
D.
Heater
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ANSWER :
B. Catalyst
14.
Which metal is often used as a catalyst in fuel cells?
A.
Aluminium
B.
Silver
C.
Platinum
D.
Iron
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ANSWER :
C. Platinum
15.
What is the function of electrolyte in a fuel cell?
A.
Transfer of electrons
B.
Provide energy
C.
Maintain flow of charge carriers
D.
Neutralize acid
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ANSWER :
C. Maintain flow of charge carriers
16.
Which of the following is a benefit of fuel cell vehicles?
A.
High emissions
B.
Silent operation
C.
Low efficiency
D.
Short range
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ANSWER :
B. Silent operation
17.
Fuel cells differ from batteries because
A.
Fuel cells store energy
B.
Batteries use fuels
C.
Fuel cells can run continuously while fuel is supplied
D.
Fuel cells have fixed lifetime
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ANSWER :
C. Fuel cells can run continuously while fuel is supplied
18.
In fuel cells, hydrogen acts as
A.
Oxidant
B.
Reductant
C.
Oxide
D.
Neutral species
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ANSWER :
B. Reductant