In the extraction of copper, the copper matte is a mixture of:

copper (II) sulphide and iron (II) sulphide

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copper (II) sulphide and iron (III) sulphide

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copper (I) sulphide and iron (II) sulphide

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copper (I) sulphide and iron (III) sulphide

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Solution

The correct option is A copper (II) sulphide and iron (II) sulphide
The chemical formula of copper matte is $C u_{2} S + F e S$ . It is a combination of copper sulphide and iron sulphide.
It is a phase in which extracted metal is converted into crude metal which is a final product.
$80 - 70 %$ of copper matte is used $80 - 95 %$ . $5 - 17 %$ metallic copper, $F e - C o$ alloy etc are used.

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Similar questions

In the formation of iron sulphide, by heating iron and sulphur, the mass of iron(II) sulphide __________ when compared with a total mass of iron and sulphur.

Question 12
Write the molecular formulae for the following compounds

(a) Copper (II) bromide
(b) Aluminium (III) nitrate
(c) Calcium (II) phosphate
(d) Iron (III) sulphide
(e) Mercury (II) chloride
(f) Magnesium (II) acetate

Q. The molecular formula of iron(II) sulphide is:

Question 62
(i) Given below are the steps for extraction of copper from its ore. Write the reaction involved.
(a) Roasting of copper (I) sulphide.
(b) Reduction of copper (I) oxide with copper (I) sulphide.
(c) Electrolytic refining.

(ii) Draw a neat and well-labelled diagram for electrolytic refining of copper.

Question 62
(i) Given below are the steps for extraction of copper from its ore. Write the reaction involved.
(a) Roasting of copper (I) sulphide.
(b) Reduction of copper (I) oxide with copper (I) sulphide.
(c) Electrolytic refining.

(ii) Draw a neat and well-labelled diagram for electrolytic refining of copper.

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