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Q.

The matte is impure substance obtained during the extraction of

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a

copper

b

iron

c

lead

d

aluminium

answer is A.

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Detailed Solution

The sulphide ores of copper are heated in reverberatory furnace. If the ore contains iron. It is mined with silica before heating. Iron oxide slags of as iron silicate and copper produced in the form of copper matte, which contain Cu2S and FeS. FeO+SiO2→FeSiO3(Slag)
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