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In electrolytic refining, the impure met...

In electrolytic refining, the impure metal is made

A

cathode

B

anode

C

both

D

none of the above

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The correct Answer is:
B
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In electrorefining, the impure metal is made _____.

Assertion : In electrolytic refining of metal, impure metal is made cathode while a strip of pure metal is used as anode. Reason : The pure metal gets deposited at anode as anode mud.

Mark the correct statements. (i) Mercury can be refined by the process of distillation. (ii) In poling, the molten impure metal is stirred with green poles of wood. (iii) In electrolytic refining of metals , impure metal is made as cathode and a thin strip of pure metal is made as anode.

FIITJEE-ORES AND METALLURGY-ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL - I
  1. To remove the acidic impurity, the flux that can be used is

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  2. Which element occurs in free state in nature ?

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  3. Hydrometallurgy is useful in the extraction of

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  4. An ore which does not contain oxygen is

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  5. Which of the following metal forms anode mud during electrolytic refin...

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  6. In Serpeck's process, byproduct obtained in the purification of bauxit...

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  7. In electrolytic refining, the impure metal is made

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  8. Which element is purified by zone refining ?

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  9. The lightest metal I

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  10. Roasting is generally done in case of

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  11. An alloy that does not contain copper is

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  12. Of the following, the metal which cannot be obtained by electrolysis o...

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  13. Duralumin is an alloy of

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  14. Books, periodicals, magazines and calendars are printed in large numbe...

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  15. During Hoope's process for electrolytic refining of Al, the middle lay...

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  16. Magnesium obtained by the electrolysis of fused MgCl(2) using

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  17. Anhydrous magnesium chloride can be prepared by heating MgCl(2).6H(2)O

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  18. In the extraction of magnesium from magnesium chloride, sodium chlorid...

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  19. The electrolysis of carnallite (KCl. MgCl(2).6H(2)O) yields

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  20. In the aluminothermic process, aluminum acts as

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