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Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsReduction to free Metal
Medium

Pure $O_2$ instead of air is used to oxidise the pig iron because

  • A
    Molten metal takes up a small amount of nitrogen which makes the steel brittle
  • B
    Air is not as efficient to oxidise all the impurities to their respective oxides
  • C
    Air contains moisture and will precipitate iron as $Fe_2O_3$
  • D
    Iron reacts with air to form $FeCO_3$
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Reduction to free Metal

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