Fuel Cells
CHXII03:ELECTROCHEMISTRY

330297 Which one of the following cells can convert chemical energy of H2 and O2 directly into electrical energy?

1 Mercury cell
2 Daniell cell
3 Fuel cell
4 Lead storage cell
CHXII03:ELECTROCHEMISTRY

330299 Which of the following statement is false for fuel cells?

1 They are more efficient
2 They are free from pollution
3 They run till reactants are active
4 Fuel burned with N2
CHXII03:ELECTROCHEMISTRY

330300 Aluminium air battery is also called

1 Galvanic cell
2 Dry cell
3 Fuel cell
4 Flow battery
CHXII03:ELECTROCHEMISTRY

330301 Assertion :
H2O2 fuel cell gives a constant voltage throughout its life.
Reason :
In this fuel cell, H2 reacts with OH ions yet the overall concentration of OHions does not change.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII03:ELECTROCHEMISTRY

330297 Which one of the following cells can convert chemical energy of H2 and O2 directly into electrical energy?

1 Mercury cell
2 Daniell cell
3 Fuel cell
4 Lead storage cell
CHXII03:ELECTROCHEMISTRY

330298 Role of batteries and fuel cell is to

1 Convert electrical energy into chemical energy
2 Convert mechanical energy into electrical energy
3 Convert electrical energy into mechanical energy
4 Convert chemical energy into electrical energy
CHXII03:ELECTROCHEMISTRY

330299 Which of the following statement is false for fuel cells?

1 They are more efficient
2 They are free from pollution
3 They run till reactants are active
4 Fuel burned with N2
CHXII03:ELECTROCHEMISTRY

330300 Aluminium air battery is also called

1 Galvanic cell
2 Dry cell
3 Fuel cell
4 Flow battery
CHXII03:ELECTROCHEMISTRY

330301 Assertion :
H2O2 fuel cell gives a constant voltage throughout its life.
Reason :
In this fuel cell, H2 reacts with OH ions yet the overall concentration of OHions does not change.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII03:ELECTROCHEMISTRY

330297 Which one of the following cells can convert chemical energy of H2 and O2 directly into electrical energy?

1 Mercury cell
2 Daniell cell
3 Fuel cell
4 Lead storage cell
CHXII03:ELECTROCHEMISTRY

330298 Role of batteries and fuel cell is to

1 Convert electrical energy into chemical energy
2 Convert mechanical energy into electrical energy
3 Convert electrical energy into mechanical energy
4 Convert chemical energy into electrical energy
CHXII03:ELECTROCHEMISTRY

330299 Which of the following statement is false for fuel cells?

1 They are more efficient
2 They are free from pollution
3 They run till reactants are active
4 Fuel burned with N2
CHXII03:ELECTROCHEMISTRY

330300 Aluminium air battery is also called

1 Galvanic cell
2 Dry cell
3 Fuel cell
4 Flow battery
CHXII03:ELECTROCHEMISTRY

330301 Assertion :
H2O2 fuel cell gives a constant voltage throughout its life.
Reason :
In this fuel cell, H2 reacts with OH ions yet the overall concentration of OHions does not change.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII03:ELECTROCHEMISTRY

330297 Which one of the following cells can convert chemical energy of H2 and O2 directly into electrical energy?

1 Mercury cell
2 Daniell cell
3 Fuel cell
4 Lead storage cell
CHXII03:ELECTROCHEMISTRY

330298 Role of batteries and fuel cell is to

1 Convert electrical energy into chemical energy
2 Convert mechanical energy into electrical energy
3 Convert electrical energy into mechanical energy
4 Convert chemical energy into electrical energy
CHXII03:ELECTROCHEMISTRY

330299 Which of the following statement is false for fuel cells?

1 They are more efficient
2 They are free from pollution
3 They run till reactants are active
4 Fuel burned with N2
CHXII03:ELECTROCHEMISTRY

330300 Aluminium air battery is also called

1 Galvanic cell
2 Dry cell
3 Fuel cell
4 Flow battery
CHXII03:ELECTROCHEMISTRY

330301 Assertion :
H2O2 fuel cell gives a constant voltage throughout its life.
Reason :
In this fuel cell, H2 reacts with OH ions yet the overall concentration of OHions does not change.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII03:ELECTROCHEMISTRY

330297 Which one of the following cells can convert chemical energy of H2 and O2 directly into electrical energy?

1 Mercury cell
2 Daniell cell
3 Fuel cell
4 Lead storage cell
CHXII03:ELECTROCHEMISTRY

330298 Role of batteries and fuel cell is to

1 Convert electrical energy into chemical energy
2 Convert mechanical energy into electrical energy
3 Convert electrical energy into mechanical energy
4 Convert chemical energy into electrical energy
CHXII03:ELECTROCHEMISTRY

330299 Which of the following statement is false for fuel cells?

1 They are more efficient
2 They are free from pollution
3 They run till reactants are active
4 Fuel burned with N2
CHXII03:ELECTROCHEMISTRY

330300 Aluminium air battery is also called

1 Galvanic cell
2 Dry cell
3 Fuel cell
4 Flow battery
CHXII03:ELECTROCHEMISTRY

330301 Assertion :
H2O2 fuel cell gives a constant voltage throughout its life.
Reason :
In this fuel cell, H2 reacts with OH ions yet the overall concentration of OHions does not change.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.