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On heating a mixture of Cu(2)O and Cu(2)...

On heating a mixture of `Cu_(2)O` and `Cu_(2)S`, we get `:`

A

`Cu + SO_(2)`

B

`Cu + SO_(3)`

C

`CuO + CuS`

D

`Cu_(2)SO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
Auto-reduction occurs , `Cu_(2)S + 2Cu_(2) O rarr 6Cu + SO_(2)`.
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CENGAGE CHEMISTRY-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Single Correcttype)
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  2. During the process of electroytic refining of copper some metals prese...

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  3. On heating a mixture of Cu(2)O and Cu(2)S, we get :

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  4. Sulphide ore of metal are usually concentrated by froth flotation proc...

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  5. Heating of ore in presence of air to remove sulphure impurities is cal...

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  6. The method of zone relining of metal is based on the principle of AIFM...

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  7. Which of the following function is of no significance for roasting su...

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  8. Complex formation for cyanide method is used for the extraction of

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  9. The least stable oxide at room temperature is

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  10. High purity copper metal is obtained by

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  11. Corumdum is

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  12. Whch ore can be best concentrated by froth flotation process ?

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  13. The metal extracted by leaching with cyanide is

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  14. When MnO2 is fused woth KOH, a coloured compound is formed, the produc...

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  15. Pb and Sn are extracted from their chief ore by :

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  16. The substance not likely to contain CaCO(3) is:

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  17. Extraction of Ag from commercial lead is possible by

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  18. The chemical composition of slag formed during the smelting process in...

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  19. The metal that cannot obtained by electrolysis of an aqueous solution ...

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  20. Ferric oxide blast furnace is reduced by

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