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

In a nickel-iron (NiFe) accumulator, the electrolyte used is typically a potassium hydroxide solution.