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BITSAT2010ChemistryGeneral Principles and Processes of Isolation of MetalsActual

In the manufacture of iron from haematite, limestone is added to act as :

Options

  1. AFlux
  2. BSlag
  3. CA reducing agent
  4. DAn oxidizing agent

Correct answer

A. Flux

Step-by-step solution

Limestone ( CaCO ₃ ) is mixed with Fe ₂ O ₃ and it acts as flux to form slag ( CaSiO ₃ ) .

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