Chemistry 0620 · IGCSE · Corrosion of metals

Corrosion of metals — practice question

A block of zinc is fixed to the hull of a steel boat. Steel is an alloy of iron. Which statement describes why the zinc stops the iron from rusting?

  • AZinc is less reactive than iron, and iron is less likely to lose electrons than zinc.
  • BZinc is less reactive than iron, and iron is more likely to lose electrons than zinc.
  • CZinc is more reactive than iron, and iron is less likely to lose electrons than zinc.
  • DZinc is more reactive than iron, and iron is more likely to lose electrons than zinc.

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