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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
In a lead-acid cell, lead is called as

None of the listed here
negative active material
positive active material
passive material

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Electrolysis and Storage Batteries
Extent of corrosion in the underground metal work depends upon

all of these
type of metals
type of soil chemicals
amount of moisture

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Electrolysis and Storage Batteries
Internal resistance of a cell is due to

all of the listed here
surface contact resistance between electrode and electrolyte
resistance of electrolyte
electrode resistance

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Electrolysis and Storage Batteries
During the idle period of the battery, strong electrolyte tends to change the active material of the cell into

PbSC-4
PbO
Pb02
Pb

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Electrolysis and Storage Batteries
Following will happen if the specific gravity of electrolyte becomes more than 1.23.

Loss of capacity
Corrosion of the grids of the plate
Loss of life
All of the listed here

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Electrolysis and Storage Batteries
The e.m.f. of an Edison cell, when fully charged, is nearly

1.4 V
2.5 V
2.0 V
1.8 V

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