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Chemistry · May / June 2016 · Paper 12 · Question 29

5070Extraction of metals

The final reaction in the extraction of metal X is represented by the following equation. X2O3 + 3CO → 2X + 3CO2 What is X?

  1. Aaluminium
  2. Bcopper
  3. Ciron
  4. Dsodium

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Correct answer: C. iron

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