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Electrolysis and Storage Batteries

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
Which of the following primary cells has the highest voltage ?

Manganese-alkaline
Mercury
Carbon-zinc
Lithium

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Electrolysis and Storage Batteries
Each cell has a vent cap

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

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Electrolysis and Storage Batteries
Hydrogen evolved during charging produces explosive mixture when it is more than

5 %
10 %
8 %
6 %

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Electrolysis and Storage Batteries
Self charge of a Ni-Fe cell is _____ Edison cell.

Less than
Much more than
Equal to
More than

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

thin aluminium wires
rigid cables
flexible cables
thin copper wires

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