Chemistry 0620 · IGCSE · Corrosion of metals

Corrosion of metals — practice question

Zinc is applied to iron as a protective coating to stop rusting. Why is zinc a suitable metal to use?

  • AIron is more reactive than zinc.
  • BIron atoms are bigger than zinc atoms.
  • CZinc is more reactive than iron.
  • DZinc atoms are bigger than iron atoms.

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