Explore topic-wise MCQs in Chemistry.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following are the common ways to produce H2 gas in a fuel cell?

A. Coal and biomass gasification
B. Electrolysis and absorption
C. Steam reforming and electrolysis
D. Electromagnetism and steam reforming
Answer» D. Electromagnetism and steam reforming
Discussion
2.

Which of the following statements regarding fuel cells is false?

A. Because of continuous supply, fuel cells never become dead
B. They do not cause pollution
C. Fuel cells have 100% efficiency practically
D. The cost of catalysts needed for the electrode reactions is high
Answer» D. The cost of catalysts needed for the electrode reactions is high
Discussion
3.

What is the maximum theoretical energy efficiency of a fuel cell?

A. 100%
B. 69%
C. 50%
D. 83%
Answer» E.
Discussion
4.

Who invented the first fuel cell?

A. Francis Bacon
B. Thomas Grubb
C. Leonard Niedrach
D. William Grove
Answer» E.
Discussion
5.

Which of the following is supplied to the cathode of a fuel cell?

A. Hydrogen
B. Nitrogen
C. Oxygen
D. Chlorine
Answer» D. Chlorine
Discussion
6.

Which of the following is not produced in an H2-O2 fuel cell?

A. Electricity
B. Pollutants
C. Heat
D. Water
Answer» C. Heat
Discussion
7.

Which of the following is not a fuel cell?

A. PEM cell
B. Direct methanol cell
C. Solid oxide cell
D. Daniell cell
Answer» E.
Discussion
8.

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

A. Nitrogen
B. Argon
C. Hydrogen
D. Helium
Answer» D. Helium
Discussion
9.

Which of the following is used as an electrolyte in an H2-O2 fuel cell?

A. KOH
B. NH<sub>4</sub>OH
C. Fe(OH)<sub>2</sub>
D. Cu(OH)<sub>2</sub>
Answer» B. NH<sub>4</sub>OH
Discussion
10.

A fuel cell is a type of electrochemical cell.

A. True
B. False
Answer» B. False
Discussion