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Select correct statement regrading silve...

Select correct statement regrading silver extraction//purification process.

A

When the lead-silver alloy is rich in silver, lead is removed by the cupellation process.

B

When the lead-silver alloy is rich in lead, lead is removed by parke's or pattinsion's process.

C

Zinc forms an alloy with lead, from which lead is separated by distillation

D

Zinc forms an alloy with silver, from which zinc is separated by distillation.

Text Solution

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The correct Answer is:
C
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MOTION-METALLURGY-EXERCISE 2 (LEVEL - I)
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  2. Which of the following species is desirable substance in extraction of...

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  3. Select correct statement regrading silver extraction//purification pro...

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  4. Which of the following reaction does not occur in Bessemer’s converter...

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  5. Dow’s process :

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  6. In the cyanide process involving extraction of silver, zinc is used in...

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  7. Carnallite does not contain :

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  8. During initial treatment, preferential wetting of ore by oil and gangu...

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  9. Silica is added to roasted copper during extraction in order to remove...

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  10. The addition of high proportions of maganese makes steel useful in mak...

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  11. Among the following statements, the incorrect one is

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  12. In the commercial electrochemical process for aluminium extraction, th...

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  13. Match column–I with column–II and select the correct answer using the ...

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  14. Blister copper is refined by stirring molten impure metal with green l...

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  15. Select the correct statement :

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  16. Three most occurring elements into the earth crust are :

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  17. A non magnetic ore contaning the impurity of FeCr(2)O(4) is concentrat...

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  18. A piece of steel is heated until redness and then plunged into cold wa...

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  19. Give the correct of initials T or F following statemetns. Use T if sta...

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