Chemistry 0620 · IGCSE · Properties of metals

Properties of metals — practice question

(Steel-cored) aluminium is used for overhead power cables to transmit electricity across long distances. Which property of (steel-cored) aluminium makes it appropriate for use in power cables?

  • AAluminium has a low density.
  • BAluminium has low strength.
  • CSteel is a good conductor of heat.
  • DSteel is resistant to corrosion.

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