JAMB - Physics (2006 - No. 15)
The electrolyte in the Nickei-iron (Nife) accumulator is
potassium hydroxide solution
dilute tetraoxosulphate(VI)acid
copper tetraoxosulphate(VI)solution
ammonium chloride solution
Explication
In a nickel-iron (NiFe) accumulator, the electrolyte used is typically a potassium hydroxide solution.