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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Level of electrolyte in a cell should be _____ the level of plates

above
equal to
none of the listed here
below

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Electrolysis and Storage Batteries
The following indicate that battery on charge has attained full charge

colour of electrode
specific gravity
all of these
gassing

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Electrolysis and Storage Batteries
While preparing electrolyte for a lead-acid battery

acid is poured into water
none of the listed here
water is poured into acid
anyone of the two can be added to other chemical

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Electrolysis and Storage Batteries
Which of the following cell has a reversible chemical reaction ?

Lead-acid
Carbon-zinc
Mercury oxide
Silver-oxide

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Electrolysis and Storage Batteries
Electrolyte used in a lead-acid cell is

only water
NaOH
dilute H₂SO₄
only H₂SO₄

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Electrolysis and Storage Batteries
Following will occur if level of electrolyte falls below plates

life of the cell is reduced
open plates are converted to lead sulphate
capacity of the cell is reduced
all of these

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