Extraction of Metals - Result Question 32
32. The chemical composition of ‘slag’ formed during the smelting process in the extraction of copper is
(2001,1 M)
(a) $Cu _2 O+FeS$
(b) $FeSiO _3$
(c) $CuFeS _2$
(d) $Cu _2 S+FeO$
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Answer:
Correct Answer: 32. (b)
Solution:
- Iron present in copper pyrite is removed by forming $FeSiO _3$ as slag.
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