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Chemistry · May / June 2019 · Paper 11 · Question 30

5070Uses of metals

A power cable requires an element that: 1 conducts electricity 2 has a relatively low density 3 is resistant to aerial oxidation. Which of these conditions does aluminium satisfy?

  1. A1, 2 and 3
  2. B1 and 2 only
  3. C1 and 3 only
  4. D2 and 3 only

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Correct answer: A. 1, 2 and 3

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