The correct statement about charging of the lead storage battery is -

1. PbSO4 anode is reduced to Pb

2. PbSO4 cathode is reduced to Pb

3. PbSO4 cathode is oxidised to Pb

4. PbSO4 anode is oxidised to PbO2

Subtopic:  Batteries & Salt Bridge |
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Match the items of Column I and Column II.

Column I

Column II

A. Lead storage battery

B. Mercury cell

C. Fuel cell

D. Rusting

1. Maximum efficiency

2. Prevented by galvanization

3. Gives steady potential

4. Pb is an anode, PbO2 is cathode

Codes

           A         B          C           D

1.        2          3           4           1

2.        1          2           3           5

3.        5          4           3           2

4.        4          3           1           2

Subtopic:  Batteries & Salt Bridge |
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Match the items of Column I and Column II.

Column I

Column II

A. Lechlanche cell

B. Ni-Cd cell 

C. Fuel cell 

D. Mercury cell 
 

1. Cell reaction 2H2 +O2 —> 2H2O

2. Does not involve any ion in solution and is used in hearing aids.

3. Rechargeable

4. Reaction at anode, Zn  Zn2+ + 2e-

Codes

          A         B          C            D

1.       2          3           4           1

2.       4          3           1           2

3.       1          4           3           2

4.       4          1           3           2

Subtopic:  Batteries & Salt Bridge |
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Assertion: Mercury cell does not give steady potential.

Reason: In the cell reaction, ions are not involved in the solution.

1.  Both assertion and reason are true and the reason is the correct explanation of assertion.

2.  Both assertion and reason are true and reason is not the correct explanation of assertion.

3.  Assertion is true but the reason is false.

4. Assertion is false but the reason is true.

 

Subtopic:  Batteries & Salt Bridge |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology