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In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with
Options
(a) carbon monoxide
(b) copper (I) sulphide
(c) sulphure dioxide
(d) iron (II) sulphide
Correct Answer:
copper (I) sulphide
Explanation:
2Cu₂S (s) +3O₂ (g) →2Cu₂O (s) +2SO₂(g)
The unchanged Cu₂S, mixed with Cu₂O and heated strongly in absence of air
2Cu₂S + 2Cu₂O →6Cu +SO₂.
Related Questions: - Among the following compounds the one that is most reactive towards electrophilic
- The molarity of water is
- Which combination is best explained by the coordinate covalent bond?
- On electrolysis of dilute H₂SO₄ using plantinum electrodes , the gas evolved at
- One of the characteristic properties of non-metals is that they
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Among the following compounds the one that is most reactive towards electrophilic
- The molarity of water is
- Which combination is best explained by the coordinate covalent bond?
- On electrolysis of dilute H₂SO₄ using plantinum electrodes , the gas evolved at
- One of the characteristic properties of non-metals is that they
Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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