The copper metal is extracted from its:

carbonate ore

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sulphide ore

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sulphate ore

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chloride ore

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Solution

The correct option is B sulphide ore
Chief ore used for extraction of copper is copper pyrite $C u_{2} S . F e S . F e S_{2}$ which is a sulphide ore.

Extraction of copper: From copper glance/copper pyrite

$2 C u F e S_{2} + 4 O_{2} \to C u_{2} S + 2 F e O + 3 S O_{2}$

$C u_{2} S + F e O + S i O_{2} \to F e S i O_{3} (f u s i b l e s l a g) + C u_{2} S (m a t t e)$

$2 F e S + 3 O_{2} \to 2 F e O + 2 S O_{2}$ ;

$F e O + S i O_{2} \to F e S i O_{3}$

$2 C u_{2} S + 3 O_{2} \to 2 C u_{2} O + 2 S O_{2}$ ;

$2 C u_{2} O + C u_{2} S \to 6 C u + S O_{2}$ (self reduction)

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Similar questions

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Q. In the extraction of copper from its sulphide ore, the metal is formed by reduction of

C u_{2} O

with__________.

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