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Electro Chemistry — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryElectro Chemistry1 Mark
MCQ
Which one of the following is used as cathode in Mercury button cell?
  • A
    Zinc
  • B
    Copper
  • ✓
    Zinc amalgamated with mercury
  • D
    HgO mixed with graphite
✓

Answer

Correct option: C.
Zinc amalgamated with mercury
Zinc amalgamated with mercury

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