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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
passive material
positive active material

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Electrolysis and Storage Batteries
Sulphated cells are indicated by

the loss of capacity of the cell
the low voltage of the cell on discharge
the decrease of the specific gravity
all of the listed here

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Electrolysis and Storage Batteries
If a lead-acid cell is discharged below 1.8 V the following will happen.

Sulphation of plates will occur
Capacity of cell will reduce
Internal resistance will increase
All of the listed here

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Electrolysis and Storage Batteries
The common impurity in the electrolyte of lead-acid battery is

chlorine
dust particles
iron
lead crystals

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Electrolysis and Storage Batteries
The substances which combine together to store electrical energy during the charge are called ______ materials

passive
insert
dielectric
active

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