Chemistry 0620 · IGCSE · Reactivity series

Reactivity series — practice question

The diagram illustrates a simple cell. Which pair of metals gives the greatest voltage?

  • Ametal P: iron; metal Q: copper
  • Bmetal P: magnesium; metal Q: copper
  • Cmetal P: magnesium; metal Q: zinc
  • Dmetal P: zinc; metal Q: copper

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