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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