Chemistry 0620 · IGCSE · Corrosion of metals

Corrosion of metals — practice question

A strip of aluminium is placed in dilute hydrochloric acid. No reaction is seen at once. Which statement accounts for this observation?

  • AAluminium does not neutralise acids.
  • BAluminium is a non-metal so does not react with acids.
  • CAluminium is below hydrogen in the reactivity series.
  • DAluminium is covered in an unreactive oxide layer.

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