May/June 2026 Paper 23

2026 · 40 questions · 40 parts · 40 marks

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28Metal Reactivity CorrosionMedium1 mark
Four mixtures are listed.
  1. 1
    Cu(aq) + Ag(s)
  2. 2
    Zn(s) + Fe(aq)
  3. 3
    Cu(aq) + Mg(s)
  4. 4
    Cu(s) + Ag(aq)
Which mixtures would lead to a reaction?