Question

The slag obtained during the extraction of copper pyrite is

Answer 1

The slag obtained during extraction of copper pyrites is FERROSILITE.

FeSiO3

Answer 2

The slag obtained during the extraction of copper pyrite is $FeSiO_3.$

Explanation:

• The slag mostly contains the impure ferrous oxide and silicon oxide.

• Copper pyrites is obtained by the extraction of copper.

• By using the froth flotation process, the concentrated ore is roasted in a current of air for the removal of antimony and sulphur.

• Then the ore is combined with coke and sand in a blast furnace.

• The reaction has occurred during the process of roasting.

• Then the ferrous oxide blends with sand to form a fusible slag

         The reaction is as follows:

           $FeO + SiO_2\rightarrow FeSiO_3$

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