MEDIUM
Earn 100

What are the difficulties in the construction of a fuel cell? What are its advantages over the other cells?

Important Questions on Electrochemistry

HARD
What are fuel cell ? Write reaction taking place in H2-O2 fuel cell.
EASY
Fuel Cells are better than other cells. Give any two reasons.
MEDIUM
Draw a neat labelled diagram of hydrogen oxygen fuel cell
EASY
In a hydrogen-oxygen fuel cell, the combustion of hydrogen occurs to
MEDIUM
What are fuel cells? Give the construction of H2-O2 fuel cell.
EASY
In a typical fuel cell, the reactants (R) and product (P) are :-
HARD
Diagrammatically represent H2-O2 fuel cell and write the half cell reactions taking place in this cell.
EASY
In Fuel cells _____ are used as catalysts.
MEDIUM
Write the equations of the reactions involved at each electrode in a H2 - O2 fuel cell.
MEDIUM
What are fuel cells? Write two advantages of a fuel cell.
EASY
For a fuel cell, which statement is correct?
MEDIUM
Define fuel cell and write its two advantages.
HARD
Draw a neat labelled diagram of H2-O2 fuel cell. Write the reaction which occurs at cathode of the cell?
EASY
Write any two advantages of fuel cells.
EASY
Which colourless gas evolves when NH4Cl reacts with zinc in a dry cell battery ?
MEDIUM
Which among the following equations represents the reduction taking place in lead accumulator at positive electrode, While it is being used as a source of electrical energy?
EASY
Write a note on hydrogen-oxygen fuel cell.
MEDIUM
Give two advantages of fuel cells.
EASY
A device that converts energy of combustion of fuels like hydrogen and methane, directly into electrical energy is known as: