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Sulphide ores are generally concentrated...

Sulphide ores are generally concentrated by

A

Froth floatation

B

Roasting

C

Magnetic separation

D

Carbon reduction

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The correct Answer is:
A
Sulphide ores are generally concentrated by froth-floatation process.
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Generally sulphide ores are concentrated by following process

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?

DINESH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS.
  1. The common method of extraction of metals from oxide ores is

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  2. Which one of the following ores is not concentrated by froth floatatio...

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  3. Sulphide ores are generally concentrated by

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  4. The metal which cannot be obtained by electrolysis of aqueous solution...

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  5. The least stable oxide at room temperature is

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  6. What is insoluble in water ?

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  7. Which of the following is magnetite ?

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  8. Refractory materials are generally used in furnaces because

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  9. Which of the following is an ore of aluminium ?

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

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  11. Process of heating ore is air to remove sulphur is:

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  12. The formula of azurite is :

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

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  14. Vapour phase refining of nickel is carried out using

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  15. Thomas slag is

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  16. In Mc-Arthur Forrest method silver is extracted from the solution of N...

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  17. During the extraction of iron, slag produced is

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  18. Silver containing lead as an impurity is not purified by

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  19. Out of the following matals that cannot be obtained by electrolysis of...

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  20. In the froth floatation process for the facilitation of ores the ore ...

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