Rechargable batteries include which of t...

Rechargable batteries include which of the those below?
(P) Dry cell
(Q) Lead-acid storage battery
(R ) Nickel -cadmium battery

Answer

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As lead storage battery is charged :

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Knowledge Check

In a lead storage battery

A

`PbO_(2)` is reduced to `PbSO_(4)` at the cathode.

B

Pb is oxidised to `PbSO_4` at the anode.

C

Both electrodes are immersed in the same aqueous solution of `H_2 SO_4`.

D

All the above are true.

Lead storage battery contains

A

Pb rod as anode

B

Pb rod as cathode

C

Pb plants coated with `PbO_(2)` act as cathode

D

electrolyte is `H_(2)SO_(4)`

As lead storage battery is charged

A

lead dioxide dissolves

B

sulphuric acid is regenerated

C

lead electrode becomes coated with lead sulphate

D

the concentration of sulphuric acid decreases

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When lead storages battery discharges:

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The acid used in lead storage battery is

As a lead storage battery is charged:

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