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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
During the idle period of the battery, strong electrolyte tends to change the active material of the cell into

Pb
PbSC-4
Pb02
PbO

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Electrolysis and Storage Batteries
The active materials on the positive and negative plates of a fully charged lead-acid battery are

lead and lead peroxide
None of these
lead peroxide and lead
lead sulphate and lead

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Electrolysis and Storage Batteries
The average charging voltage for alkali cell is about

1.7 V
1.2 V
2.1 V
1 V

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Electrolysis and Storage Batteries
A constant-voltage generator has

high internal resistance
minimum efficiency
low internal resistance
minimum current capacity

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

Lithium
Carbon-zinc
Mercury
Zinc-chloride

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Electrolysis and Storage Batteries
Weston standard cell at 20°C has voltage of ____ volts.

1.0187
1.5
0.8
1.2

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