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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Life of the Edison cell is at least

seven years
eight years
ten years
five years

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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

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

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Electrolysis and Storage Batteries
It is noticed that durum charging

there is a rise in voltage
energy is absorbed by the cell
all of these
the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb)

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

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

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

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

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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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MORE MCQ ON Electrolysis and Storage Batteries

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