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Chemistry · May / June 2022 · Paper 11 · Question 26

5070Extraction of metals

Some types of chemical reaction are listed. 1 acid-base 2 combustion 3 redox Which types of reaction occur in a blast furnace during the extraction of iron?

  1. A1, 2 and 3
  2. B1 and 2 only
  3. C1 and 3 only
  4. D2 and 3 only

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Correct answer: A. 1, 2 and 3

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