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ELECTROLYSIS AND STORAGE BATTERIES

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

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

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Electrolysis and Storage Batteries
Sulphated cells are indicated by

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

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

Internal resistance will increase
Sulphation of plates will occur
Capacity of cell will reduce
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
lead crystals
iron

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

dielectric
insert
active
passive

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