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Doctors Medicines MCQs Q&A

  1. A and B
  2. B and C
  3. Only C
  4. None
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Option 4 : None

  • None of the given facts are correct.
  • Coke is added to the blast furnace to reduce the iron oxide in the ore to iron because it is a source of carbon monoxide which reduces iron oxide and oxidizes itself to carbon dioxide.
  • Limestone acts as a flux and is added to the blast furnace to physically separate iron from other impurities.
  • Carbon monoxide oxidizes to carbon dioxide.
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