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Chemistry · Oct / Nov 2020 · Paper 12 · Question 31

5070Extraction of metals

Aluminium is extracted from its ore using electrolysis. Which statement about the electrodes used is correct?

  1. AThe anode is made of graphite.
  2. BThe anode is made of steel.
  3. CThe cathode is made of bauxite.
  4. DThe cathode is made of cryolite.

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Correct answer: A. The anode is made of graphite.

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