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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
_______ of electrolyte indicates the state of charge of the battery

colour
mass
viscosity
specific gravity

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Electrolysis and Storage Batteries
Internal resistance of a cell is reduced by

all of the listed here
using vent plug to permit gas formed during discharge
putting plates very close together
increasing the plate area

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

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Electrolysis and Storage Batteries
Electrolyte used in a lead-acid cell is

only water
NaOH
dilute H₂SO₄
only H₂SO₄

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Electrolysis and Storage Batteries
When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in

none of the listed here
charged state
discharged state
active state

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

insert
active
passive
dielectric

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