Chemistry 0620 · IGCSE · Redox

Redox — practice question

Which change shows an oxidation reaction?

  • Achlorine changes to chlorate(I) ions
  • Bchlorine changes to chloride ions
  • Ccopper(II) ions change to copper
  • Dpotassium manganate(VII) ions change to potassium manganate(VI) ions

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