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JEE Main 202127 JulyEvening Shift
Exam
JEE Main
Year
2021
Date
27 July
Shift
Evening Shift
Subject
Chemistry
Chapter
General Principles and Processes of Isolation of Metals

JEE Main 2021 · 27 July · Evening Shift · Chemistry · General Principles and Processes of Isolation of Metals

The addition of silica during the extraction of copper from its...

The addition of silica during the extraction of copper from its sulphide ore :-The addition of silica during the extraction of copper from its sulphide ore :-

Options

  1. Aconverts copper sulphide into copper silicate
  2. Bconverts iron oxide into iron silicate
  3. Creduces copper sulphide into metallic copper
  4. Dreduces the melting point of the reaction mixture

Correct answer

B. converts iron oxide into iron silicate

Step-by-step solution

Silica is used to remove FeO impurity from the ore of copper

The addition of silica during the extraction of copper from its sulphide ore :-

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