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Chemistry Hard FPSC Uploaded: 04 Sep 2026

Which metal is used as the standard reference electrode with a potential of 0.00V?

  • A Copper
  • B Silver
  • C Hydrogen
  • D Zinc
Correct Answer: Option C — Hydrogen
Explanation:
The standard hydrogen electrode (SHE) is assigned an arbitrary reduction potential of exactly 0.00 volts and serves as the universal reference point against which all other electrode potentials are measured.
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