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NEETChemistryGeneral Principles and Processes of Isolation of Metals

Explain the following : Silica is added to the sulfide ore of copper in the reverberatory furnace.

Options

  1. ASilica reduces the melting point of copper.
  2. BSilica acts as a reducing agent.
  3. CSulphide ore of copper contains iron as impurity which is removed as iron silicate (slag)
  4. DSilica prevents the formation of copper oxide.

Correct answer

C. Sulphide ore of copper contains iron as impurity which is removed as iron silicate (slag)

Step-by-step solution

Correct Option is : (C) Sulphide ore of copper contains iron as impurity which is removed as iron silicate (slag)

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