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Chemistry · Oct / Nov 2021 · Paper 11 · Question 32

5070Extraction of metals

Metal X is more reactive than zinc but less reactive than sodium. What would be the best method for obtaining metal X from its ore?

  1. Aelectrolysis of an aqueous solution of a salt of X
  2. Belectrolysis of the molten oxide of X
  3. Cheating the oxide of X in hydrogen
  4. Dheating the oxide of X with powdered carbon

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Correct answer: B. electrolysis of the molten oxide of X

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