Question
Chemistry Question on Electrochemical Cells
How many of the given statements are true for fuel cell?
A. It is a type of Galvanic cell
B. It is used for providing electrical power in space programmes.
c. Hydrogen and oxygen are bubbled through porous carbon electrodes into concentrated NaOH solution
D. It produces electricity with an efficiency of 40%
E. It is pollution free cell
A
A, B,C are true
B
A, E,C are true
C
A, B,C,D are true
D
All are true
Answer
A, B,C are true
Explanation
Solution
The Correct answer is option(D) : All are true