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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 of the following is not the product of dehydration of
- The presence of colloidal particles can be confirmed with the help of
- 8.2 L of an ideal gas weight 9.0 gm at 300 K and 1 atm pressure
- In alkaline hydrolysis of a tertiary alkyl halides by aqueous alkali,
- Which one of the following statements concerning lanthanides elements is false
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following is not the product of dehydration of
- The presence of colloidal particles can be confirmed with the help of
- 8.2 L of an ideal gas weight 9.0 gm at 300 K and 1 atm pressure
- In alkaline hydrolysis of a tertiary alkyl halides by aqueous alkali,
- Which one of the following statements concerning lanthanides elements is false
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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