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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Extent of corrosion in the underground metal work depends upon

amount of moisture
all of these
type of soil chemicals
type of metals

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Electrolysis and Storage Batteries
Five 2 V cells are connected in parallel. The output voltage is

1.5 V
15 V
2 V
10 V

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Electrolysis and Storage Batteries
The internal resistance of an alkali cell is nearly _____ times that of the lead-acid cell.

4
3
5
2

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

bright
milky
reddish
dull

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Electrolysis and Storage Batteries
The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is

just one
none of the listed here
always greater than one
always less than one

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Electrolysis and Storage Batteries
In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following

two parts H2O, two parts H₂SO₄
all H₂SO₄
three parts H2O, one part H₂SO₄
one part H2O, three parts H₂SO₄

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