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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.
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- The s-block element used as a catalyst in the manufacture of Buna-S rubber is
- Which of the following is broad spectrum drug
- If principal quantum number n=4, the total number of orbitals having l=3 is
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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
- CF₂ = CF₂ is monomer of
- The s-block element used as a catalyst in the manufacture of Buna-S rubber is
- Which of the following is broad spectrum drug
- If principal quantum number n=4, the total number of orbitals having l=3 is
- Heat produced on burning 6.3 g of a fule raises the temperature of 1.5 kg
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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