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MHT CET202020 Oct 2020Morning ShiftChemistryGeneral Principles and Processes of Isolation of MetalsActual

Which following compound acts as a flux in extraction of copper from copper pyrites

Options

  1. ACaSiO ₃
  2. BFeO
  3. CFeSiO ₃
  4. DSiO ₂

Correct answer

D. SiO ₂

Step-by-step solution

Copper is extracted from the ore copper pyrite by smelting in a blast furnace. The flux used is SiO ₂ and slag formed is FeSiO ₃ .

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