Fuel Cells MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 23, 2025

1. : _______ is a process in which gaining of electrons by metal ions with a discharge of metal.
(A) De-electronation
(B) Electronation
(C) Reduction
(D) Cathode

2. : _______ present in the anode of a galvanic cell.
(A) Positive polarity
(B) Negative polarity
(C) No polarity
(D) Neutral

3. : _______ is e.m.f of Daniel cell.
(A) 1.02V
(B) 1.00V
(C) 1.09V
(D) 2V

4. : Daniel cell is represented as _______ according to the convention.
5. : Select which is the correct reaction at anode?
(A) Zn → Zn²⁺ + 2e⁻
(B) Zn → Zn⁺ + e⁻
(C) Cu²⁺ + 2e⁻ → Cu
(D) Cu⁺ + e⁻ → Cu

6. : __________ electrode is also called Electronation.
(A) Oxidation
(B) Reduction
(C) Electrifying
(D) Electro chemical cell

7. : From ________ to ________ is the movement of electrons in Daniel cell.
(A) Zn to Cu
(B) Cu to Zn
(C) Zn to Ca
(D) Ca to Zn

8. : The two electrodes are separated by salt bridge in Daniel cell.
(A) True
(B) False
Answer: (A) True

9. : By -ΔG = _______ formula the decrease in free energy can be given.
(A) nFE
(B) n/FE
(C) nF/E
(D) F/nE

10. : Electrode potential generally refers to ______
(A) Reduction potential
(B) Oxidation potential
(C) Electron potential
(D) Cannot be determined

11. : _______ obeyed by Electrolytes to the some extent as metallic conductors.
(A) Specific conductance
(B) Ohms law
(C) Molecular conductance
(D) Equivalent conductance

12. : ________ is a term in which the strength of the current is measured.
(A) Coulombs
(B) Joules
(C) Amperes
(D) Ohms

13. : _______ is the term to express the quantity of current passing through a conductor.
(A) Joules
(B) Coulombs
(C) Amperes
(D) Ohms