Chemistry 5070 · O Level · Experimental design

Experimental design — practice question

Which of the following statements is correct?

  • AAluminium is used in food containers because of its resistance to corrosion.
  • BAluminium is used in the manufacture of aircraft because of its low ductility.
  • CCopper is used in electrical wiring because of its high density.
  • DCopper is used in the manufacture of overhead electrical cables because it forms an unreactive oxide layer.

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