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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
When a lead-acid battery is in fully charged condition, the color of its positive plate is

brown
dark grey
none of the listed here
dark brown

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Electrolysis and Storage Batteries
All the electrical connections between the battery and vehicle should be by

thin copper wires
rigid cables
flexible cables
thin aluminium wires

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Electrolysis and Storage Batteries
During discharge, the active material of both the positive and negative plates is changed to

PbS02
PbS04
Pb02
Pb

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Electrolysis and Storage Batteries
Each cell has a vent cap

to check the level of electrolyte
to allow gases out when the cell is on charge
to add water to the cell if needed
all of the listed here

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Electrolysis and Storage Batteries
Those substances of the cell which take active part in chemical combination and hence produce electricity during charging or discharging are known as______materials.

redundant
all
passive
active

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Electrolysis and Storage Batteries
The body of Edison cell is made of

rubber
bakelite
nickel plated steel
aluminium

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