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Ni + CO overset(330-350 K)to Ni(CO)(4) ...

`Ni + CO overset(330-350 K)to Ni(CO)_(4)`
`No(CO)_(4) overset(450-470K) to Ni + 4CO`
This sequence of reactions are involved in

A

Van Arkel methal for refining of nickel

B

Mond's process for refining of nickel

C

Zone refining of nickel

D

Refining of nickel by disstilation

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The correct Answer is:
B
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AAKASH SERIES-PRINCIPLES OF METALLURGY-OBJECTIVE EXERCISE-1
  1. For which one of the following reaction , the graph of Delta ...

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  2. The least stable oxide at room temperature is

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  3. Ni + CO overset(330-350 K)to Ni(CO)(4) No(CO)(4) overset(450-470K) ...

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  4. The process of zone refining is used for

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  5. The process used in the refining of aluminimum and zinc metals ...

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  6. In the metallurgy of which of the following supellation process ...

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  7. In zone - Refining method the molten zone :

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  8. Tin and lead can be refined by

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  9. Silver containing lead as an impurity is not purified by

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  10. The main ore of iron is its

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  11. Mark the wrong statement among the following. The iron ore after washi...

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  12. Most abundant ore of iron is

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  13. The reducing agent added in the extraction of Iron from oxide ore of i...

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  14. The iron obtained from blast funace is

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  15. In the middle part of blast furnace, iron ore is treated with lime sto...

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  16. In the manufacture of iron from haematite, the limestone acts as

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  17. In the extraction of iron, the slag produced is

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  18. Which one of the following elements constitutes a major impurity in pi...

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  19. In which of the following percentage of carbon is maximum

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  20. Weight ratio of roasted ore, coke and lime stone fed into the blast fu...

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