The flux used in the extraction of iron from haematite in blast fu | Filo
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Class 12

Chemistry

Metallurgy

General Principles and Processes of Isolation of Elements

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The flux used in the extraction of iron from haematite in blast furnace, is:

  1. limestone
  2. silica
  3. coke
  4. quartz
Correct Answer: Option(a)
Solution: The flux used in the extraction of iron from haematite in blast furnace is limestone. 

present in lime stone reacts with to produce slag. 

Hence, silica impurities are removed by the addition of lime stone.

Option A is correct.
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