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Serpeck's process is used for the extrac...

Serpeck's process is used for the extraction of :

A

Mg

B

Ni

C

Al

D

Cu

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The correct Answer is:
C
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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -Multiple Choice Questions - Level - II
  1. Calcinations is carried out in a :

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  2. A metal obtained by hydrometallurgy is :

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  3. Serpeck's process is used for the extraction of :

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  4. Which of the following relations is correct ?

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  5. Copper pyrites , the chief ore of copper , is chemically :

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  6. Which of the following is malachite ore ?

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  7. The roasting of HgS in air produces :

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  8. The formula of siderite ore is

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  9. Copper is refined by :

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  10. which of the following is not a basic flux ?

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  11. An example of halide ore is :

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  12. The sulphide ores are generally concentrated by :

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  13. Carbon reduction method is used in the extraction of :

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  14. The process of removal of impurities form a crude metal is called :

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  15. The common depressant used in froth floatation process for separation ...

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  16. When copper ore is mixed with silica in a reverberatory furnace copper...

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  17. Which of the following reactions is an example of auto reduction ?

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  18. In the extraction of copper from its sulphide ore, the metal is formed...

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  19. Electrolytic refining is used to purify which of the following metal...

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  20. Extraction of gold and silver involves leaching the metal with CN^- io...

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