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

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

ANSWER DOWNLOAD EXAMIANS APP

Electrolysis and Storage Batteries
In a lead-acid cell, if the specific gravity of sulphuric acid is 1.8, it will require following ratio of acid to water to get mixture of specific gravity of 1.3

4 parts of acid to 6 parts of water
4 parts of acid to 8 parts of water
6 parts of acid to 4 parts of water
4 parts of acid to 4 parts of water

ANSWER DOWNLOAD EXAMIANS APP