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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
A dead storage battery can be revived by

none of the listed here
a dose of H₂SO₄
adding distilled water
adding so-called battery restorer

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Electrolysis and Storage Batteries
While preparing electrolyte for a lead-acid battery

water is poured into acid
none of the listed here
acid is poured into water
anyone of the two can be added to other chemical

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

active
passive
dielectric
insert

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Electrolysis and Storage Batteries
Sulphated cells are indicated by

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

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Electrolysis and Storage Batteries
The storage battery generally used in electric power station is

none of the listed here
nickel-cadmium battery
lead-acid battery
zinc-carbon battery

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Electrolysis and Storage Batteries
Negative plate of an Edison cell is made of

silver oxide
iron
copper
lead

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