Electrolysis and Storage Batteries
In a battery cover is placed over the element and sealed to the top of the battery container. This is done

to reduce evaporation of water from electrolyte
to exclude dirt and foreign matter from the electrolyte
Both of the listed here
None of the listed here

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Electrolysis and Storage Batteries
For a cell to work, which of the following condition(s) become necessary ?

Electrolyte liquid or paste should be conducting
Electrolyte must chemically react with one of the electrodes
All of the listed here
Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other

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