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Dow’s process :...

Dow’s process :

A

involves purification of copper

B

involves extraction of magnesium

C

gives metal chloride as product

D

gives pure metal as product

Text Solution

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The correct Answer is:
B
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MOTION-METALLURGY-EXERCISE 2 (LEVEL - I)
  1. Select correct statement regrading silver extraction//purification pro...

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

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  3. Dow’s process :

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

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  5. Carnallite does not contain :

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

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

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

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  9. Among the following statements, the incorrect one is

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

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

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

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  13. Select the correct statement :

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

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

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

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

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  18. In the extraction of aluminium Process X: employed for red bauxite t...

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  19. Which of the following statement(s) is/are incorrect?

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  20. Si and Ge used for semiconductors are required to be of high purity an...

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