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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The common impurity in the electrolyte of lead-acid battery is

chlorine
dust particles
iron
lead crystals

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

5
4
2
3

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Electrolysis and Storage Batteries
The capacity of a lead-acid cell does not depend on its

temperature
quantity of active material
rate of charge
rate of discharge

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Electrolysis and Storage Batteries
During the charging of a lead-acid cell

specific gravity of H₂SO₄ decreases
its voltage increases
its cathode becomes dark chocolate brown in colour
it gives out energy

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Electrolysis and Storage Batteries
_______ of electrolyte indicates the state of charge of the battery

viscosity
colour
specific gravity
mass

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Electrolysis and Storage Batteries
Negative plate of an Edison cell is made of

silver oxide
iron
copper
lead

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