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Chemistry · May / June 2017 · Paper 12 · Question 29

5070Uses of metals

Aluminium is used in the manufacture of aeroplanes. What is a property of aluminium and is also a reason for this use?

  1. AIt has a low density.
  2. BIt is a good conductor of electricity.
  3. CIt is a poor conductor of heat.
  4. DIt is covered in an unreactive layer of aluminium carbonate.

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Correct answer: A. It has a low density.

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