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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Electrolyte used in an Edison cell is

kOH
HC1
NaOH
HN03

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

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

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Electrolysis and Storage Batteries
The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is

always greater than one
just one
always less than one
none of the listed here

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Electrolysis and Storage Batteries
Chargmg of sulphated battery produces ____ heat.

more
no
less
very little

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Electrolysis and Storage Batteries
Which of the following primary cells has the highest voltage ?

Mercury
Carbon-zinc
Lithium
Manganese-alkaline

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Electrolysis and Storage Batteries
Following will occur if level of electrolyte falls below plates

life of the cell is reduced
capacity of the cell is reduced
all of these
open plates are converted to lead sulphate

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