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Isolation of Elements question

2016 · Shift 2 · Q1
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Isolation of Elements question

2016 · Shift 2 · Q1

JEE AdvancedChemistryIsolation of ElementsMultiple correct+4 / −2
Extraction of copper from copper pyrite (CuFeS2CuFeS_2CuFeS2​) involves
  1. A
    crushing followed by concentration of the ore by froth flotation
  2. B
    removal of iron as slag
  3. C
    self-reduction step to produce 'blister copper' following evolution of SO2SO_2SO2​
  4. D
    refining of ‘blister copper’ by carbon reduction
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