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QJEEM23Chafd7: JEE Main 2023 Chemistry - Class 12 JEEM23Chafd7 Solution: In the extraction of copper, its sulphide ore is heated in a…

In the extraction of copper, its sulphide ore is heated in a reverberatory furnace after mixing with silica to:

Multiple Choice Options

A remove $\mathrm{FeO}$ as $\mathrm{FeSiO}_{3}$
B remove calcium as $\mathrm{CaSiO}_{3}$
C decrease the temperature needed for roasting of $\mathrm{Cu}_{2} \mathrm{~S}$
D separate $\mathrm{CuO}$ as $\mathrm{CuSiO}_{3}$

Step-by-Step Verified Solution

$\underset{Basic}{FeO} + \underset{Acidic}{Si O_{2}} \overset{}{⟶} \underset{(Slag)}{FeSi O_{3}}$

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