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The electrolyte used in the Nickel-Iron (NiFe) accumulator is

The electrolyte used in the Nickel-Iron (NiFe) accumulator is
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Dilute tetraoxosulphate(VI) acid
  • B Barium chloride solution
  • C Potassium hydroxide solution
  • D Sodium hydroxide solution
Correct Answer: Option C
Explanation:
The electrolyte used in the Nickel-Iron (NiFe) accumulator is potassium hydroxide solution. It is a non-flammable, non-toxic, and relatively stable electrolyte. It is also a good conductor of electricity, which is important for the operation of the battery.

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