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Which one of the following ores is best ...

Which one of the following ores is best concentrated by froth floatation method ?

A

magnetite

B

Siderite

C

Galena

D

Malachite

Text Solution

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The correct Answer is:
C
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TARGET PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Competitive Thinking
  1. (iv) Metallurgy is the process of :

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  2. Froth floatation method is successful in seperating impurities from or...

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  3. Which one of the following ores is best concentrated by froth floatati...

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  4. An ore containing ZnS and PbS can be seperated by treating them with a...

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  5. How is ore of aluminium concentrated ?

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  6. Bauxite ore is concentrated by

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  7. Name the reagent that is used in leaching of gold .

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  8. In the equation , 4M + 8CN^(-) + 2H(2)O + O(2) to 4 [M(CN)(2)]^(-) + 4...

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  9. Extraction of gold and silver involves leaching with CN^(-)ion.silver ...

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  10. Extraction of gold(Au) involves the formation of complex ions'X' and '...

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  11. When limestone is heated, CO(2) is given off. The metallurgical operat...

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  12. The sunstance which is mixed with the ore for removel of impurities is...

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  13. Flux is used to remove

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  14. Which of the following fluxes is used to remove acidic impurities in ...

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  15. When a metal is to be extracted from its ore, if the gangue associated...

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  16. Hydro-metallurgical process of extraction of metals is based on

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  17. Name the metal that is purified by placing the impure metal on sloping...

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  18. In order to refine "blister copper' it is melted in a furnace and is s...

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  19. Zone refining is a method to obtain

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  20. Which method is used to get very pure germanium used is semiconductor ...

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