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Sulphide ores of metals are usually conc...

Sulphide ores of metals are usually concentrated by froth floatation process. Which one of the following sulphide ores offers an exception and is concentrated by chemical leaching?

A

Galena

B

Copper pyrites

C

Sphalerite

D

Argentite

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Sulphide ores of metals are usually concentrated by forth floation proces. Which one of the following sulphide ores offers an exception and is conventrated by chemical leaching'

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?

Why sulfide ores are usually concentrated by froth floatation process ?

Which of the following is a sulphide ore?

Which one of the following is not a sulphide ore ?

Whch ore can be best concentrated by froth flotation process ?

Name the type of ore which is concentrated by froth floatation process.

A: Cuprite is concentrated by froth floatation process R: Cuprite is the sulphide ore.

AAKASH INSTITUTE ENGLISH-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Objective type Questions (One option is correct)
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  2. During smelting, an additional substance is added which combines with ...

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  3. Sulphide ores of metals are usually concentrated by froth floatation p...

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  4. Heating pyrites to remove sulphur is called

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  5. The process of converting hydrated alumina into anhydrous alumina is c...

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  6. The electrolytic solution used for extraction of Al in Hall Heroult me...

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  7. The extraction of zinc from zinc blende is achieved by :

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  8. Given below are the steps for extraction of copper from its ore. Write...

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  9. Which of the following metals is purified by distillation process ?

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  10. Vapour phase refining can be carried out in case of

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  11. Zone refining is based on the principle that .

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  12. Which of the following is not a method of purification of metals ?

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  13. Assertion: Zone refining method is used to produce pure metals which a...

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  14. Which of the following is not a use of aluminimum ?

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  15. Which of the following is not a use of zinc ?

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  16. Wrought iron is used for making

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  17. Which of the followed metals can be extracted by using carbon reductio...

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  18. Purest form of iron is

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  19. The metal oxide which cannot be reduced to metal by carbon is

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

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