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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Life of the Edison cell is at least

seven years
eight years
ten years
five years

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

Zinc-chloride
Carbon-zinc
Lithium
Mercury

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Electrolysis and Storage Batteries
The effect of sulphation is that the internal resistance

increases
none of the listed here
remains same
decreases

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Electrolysis and Storage Batteries
In alkaline cell the electrolyte is

kOH
dilute sulphuric acid
NaOH
concentrated sulphuric acid

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Electrolysis and Storage Batteries
Cell short circuit results in

low sp. gravity electrolyte
reduced gassing on charge
all of the listed here
abnormal high temperature

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Electrolysis and Storage Batteries
When the lead-acid cell is fully charged, the electrolyte assumes _____ appearance

reddish
dull
bright
milky

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