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Electrolysis and Storage Batteries

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

specific gravity
viscosity
mass
colour

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

dielectric
passive
active
insert

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Electrolysis and Storage Batteries
Following will happen if battery charging rate is too high

all of the listed here
bulging and buckling of plates will occur
temperature rise will occur
excessive gassing will occur

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Electrolysis and Storage Batteries
It is noticed that during discharging the following does not happen

specific gravity of H2SO4 decreases
voltage of the cell decreases
both anode and cathode become PbS04
the cell absorbs energy

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Electrolysis and Storage Batteries
Excessive formation of lead sulphate on the surface of the plates happens because of

persistent undercharging
low level of electrolyte
allowing a battery to stand in discharged condition for a long time
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
2.0 V
1.8 V
2.5 V

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