Chemistry 5070 · O Level · Electrolysis

Electrolysis — practice question

Aluminium is obtained from its ore by electrolysis. Which statement about the electrodes that are used is correct?

  • AThe anode is made of graphite.
  • BThe anode is made of steel.
  • CThe cathode is made of bauxite.
  • DThe cathode is made of cryolite.

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