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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The storage battery generally used in electric power station is

lead-acid battery
none of the listed here
zinc-carbon battery
nickel-cadmium battery

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

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

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Electrolysis and Storage Batteries
In alkaline cell the electrolyte is

concentrated sulphuric acid
kOH
NaOH
dilute sulphuric acid

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Electrolysis and Storage Batteries
Over charging

increases the temperature resulting in buckling of plates
all of the listed here
loosens the active material
produces excessive gassing

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Electrolysis and Storage Batteries
Each cell has a vent cap

to check the level of electrolyte
to add water to the cell if needed
to allow gases out when the cell is on charge
all of the listed here

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Electrolysis and Storage Batteries
Negative plate of an Edison cell is made of

silver oxide
lead
iron
copper

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