Chemistry - Metallurgy Question with Solution | TestHub

ChemistryMetallurgyExtraction of MetalsMedium2 minQB
ChemistryMediumsingle choice

Addition of from external supply is involved in the metallurgy of :-

Options:

Answer:
B
Solution:

In the extraction of copper from chalcopyrite (CuFeS₂), silica (SiO₂) is added as an external flux. During smelting, iron oxide reacts with silica to form slag:

This removes iron impurity from copper ore. Other processes do not require external SiO₂ addition in the given options.

Correct Answer: (B) Cu from chalcopyrite

Stream:JEESubject:ChemistryTopic:MetallurgySubtopic:Extraction of Metals
2mℹ️ Source: QB

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