Fuel Cells

 What is a fuel cell ? What is its main advantage?

What are fuel cells ? Describe ${\mathrm{H}}_2-{\mathrm{O}}_2$ fuel cell.

Write the overall cell reaction in ${\mathrm{H}}_2-{\mathrm{O}}_2$ fuel cell.

What is a fuel cell?

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

Describe the construction of a ${\mathrm{H}}_2-{\mathrm{O}}_2$ fuel cell and the reactions taking place in it.

Define fuel cell and write its two advantages.

One of the fuel cells uses the reaction of hydrogen and oxygen to form water. Write down the cell reaction taking place in the anode and cathode of the fuel cell.

State two advantages of ${\mathrm{H}}_2-{\mathrm{O}}_2$ fuel cell over ordinary cell.

Name the type of cell which was used in Apollo space programme for providing electrical power.

In ${\mathrm{H}}_2-{\mathrm{O}}_2$ fuel cell the reaction occurring at cathode is

Give an example of a fuel cell.

Name one substance other than hydrogen that can be used for constructing fuel cell?

Which cell was used in the Apollo Space program? What was the product used for?

What is the basis of obtaining electrical energy in fuel cells?

Which of the following reaction occurs at cathode in ${\mathrm{H}}_2-{\mathrm{O}}_2$ fuel cell ?

What are fuel cells? Give one example.

Write the equations of the reactions involved at each electrode in a ${\mathrm{H}}_{2 }- {\mathrm{O}}_2$ fuel cell?

What is a fuel cell? Write its one advantage over other ordinary cells?

Define the term fuel cell.