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Chemistry · Oct / Nov 2017 · Paper 12 · Question 22

5070Extraction of metals

Which statement is correct for both aluminium and iron?

  1. ABoth form 2+ ions.
  2. BBoth have amphoteric oxides.
  3. CThe manufacture of both metals involves the reduction of the metal ions.
  4. DThey are both normally manufactured by electrolysis.

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Correct answer: C. The manufacture of both metals involves the reduction of the metal ions.

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