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Sulphide ore of metal are usually concen...

Sulphide ore of metal are usually concentrated by froth flotation process .Which one of the following sulphide3 ores after an exception and is contrated by electrical leaching?

A

Galena

B

Copper pyrite

C

Sphalerite

D

Argenitite

Text Solution

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The correct Answer is:
D
`Ag, Au` are obtained by complex formation.
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CENGAGE CHEMISTRY-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Single Correcttype)
  1. During the process of electroytic refining of copper some metals prese...

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

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

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

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

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

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

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  8. The least stable oxide at room temperature is

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  9. High purity copper metal is obtained by

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  10. Corumdum is

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

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  12. The metal extracted by leaching with cyanide is

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

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

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

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  16. Extraction of Ag from commercial lead is possible by

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

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

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  19. Ferric oxide blast furnace is reduced by

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  20. Electric furnaces are lined with magnesia because

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