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Electrolysis and Storage Batteries

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

Zinc-chloride
Carbon-zinc
Mercury
Lithium

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Electrolysis and Storage Batteries
The charge required to liberate one gram equivalent of any substance is known as ______ constant

None of the listed here
Time
Boltzman
Faraday’s

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

5 %
8 %
6 %
10 %

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Electrolysis and Storage Batteries
Lead-acid cell has a life of nearly charges and discharges

1250
700
500
1000

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Electrolysis and Storage Batteries
In ______ system the charging current is intermittently controlled at either a maximum or minimum value

trickle charge
two rate charge control
floating charge
an equalizing charge

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

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

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