Q.1.
Which layer does the conversion of chemical energy of reactants to electrical energy, heat and water occur?
Q.2.
Which layer enables the fuel cell to conduct its electrons by attracting the hydrogen protons that are sent to the cathode?
Q.3.
Which one of the following state is true for both fuel cells and rechargeable cells?
Q.4.
The energy released in a chemical reaction is directly converted to electrical energy in al
Q.5.
The half-equation for the reaction occurring at the (+) electrode in a hydrogen-oxygen fuel which has an alkaline electrolyte would be
Q.6.
O2 + 4H+ + 4e- = 2H2O
Q.7.
Which fuel cell can be operated at high temperatures up todegree Celsius.
Q.8.
Yttria stabilized zirconia used as an electrolyte in
Q.9.
What is the electrolyte in methanol fuel cell?
Q.10.
In Hydrazine fuel cell, which electrolyte is generally use