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Which of the following pairs of metals i...

Which of the following pairs of metals is purified by Van Arkel method ?

A

`Ni` and `Fe`

B

`Ga` and `In`

C

`Zr` and `Ti`

D

`Ag` and `Au`

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SHARAM PUBLICATION-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-EXERCISE
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  2. Delta G^@ - T plot in Ellingham 's diagram slopes are downward for the...

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  3. Which of the following pairs of metals is purified by Van Arkel metho...

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  4. Identify an alloy containing a non- metal as a constituent in it.

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  5. During electrolyte refining of copper some metals present as impurity ...

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  6. According to Ellingham diagram, the oxidation reaction of carbon to ca...

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  7. Which of the following reaction is an example of calcination process ?

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  8. What is benefaction of ore ?

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  9. Name one important ore and alloy copper.

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  10. How slag is formed in metal extraction ?

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  11. What is mean by pyrometallurgy ?

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  12. Name three alloys of Copper

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  13. The ore that can be concentrated by magnetic separation method, are .....

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  14. What is difference between mineral and ore ?

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  15. Name the deprassant which is used to separate ZnS from PbS ores in fro...

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  16. Name two collectors used in froth floatation process.

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  17. Name one acidic and one basic flux.

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  18. Why do some metals occur in the native state ?

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  19. What is the role of stabilizer in froth floatation process ?

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  20. An ore of galena (PbS) is contaminated with Zinc blende (ZnS). Name on...

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