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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: - Which one of the following statements is not true
- How will you separate a solution (miscible) of benzene + CHCl₃
- Which of the following elements will have the lowest first ionisation energy?
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Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following statements is not true
- How will you separate a solution (miscible) of benzene + CHCl₃
- Which of the following elements will have the lowest first ionisation energy?
- If 0.189g of chlorine containing organic compound gave 0.287g of silver chloride
- There are two containers containing gases,one at pressure 30 atm and volume
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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