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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The active materials of a nickel-iron battery are

nickel hydroxide
21% solution of kOH
powdered iron and its oxide
all of these

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Electrolysis and Storage Batteries
The mass of an ion liberated at an electrode is directly proportional to the quantity of electricity”. The above statement is associated with

Faraday’s law of electrolysis
Gauss’s law
Newton’s law
Faraday’s law of electromagnetic

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Electrolysis and Storage Batteries
Which of the following has lower sp. gravity V

Concentrated H₂SO₄
All of the listed here
Dilute H₂SO₄
Water

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Electrolysis and Storage Batteries
In constant-current charging method, the supply voltage from discharged to fully charged condition

increases
decreases
none of the listed here
remains constant

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Electrolysis and Storage Batteries
The effect of sulphation is that the internal resistance

none of the listed here
remains same
increases
decreases

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Electrolysis and Storage Batteries
Trickle charging of a storage battery helps to

increase its reserve capacity
keep it fresh and fully charged
maintain proper electrolyte level
prevent sulphation

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