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CO on passing over heated nickel gives...

`CO` on passing over heated nickel gives

A

`NiCO_3`

B

`Ni(CO)_4`

C

`CO_2 + H_2`

D

`CO + H_2`

Text Solution

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The correct Answer is:
B
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MOTION-METALLURGY-EXERCISE 1
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  5. The Elingham diagram (Fig.) represents the formation of oxides of seve...

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  6. The slag obtained during the extraction of copper from coper pyrites i...

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  7. A reaction showing slag formation is .

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  9. A flux is often added to remove impurities from a concentrated ore. ...

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  10. Tin and lead can be refined by

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  11. Refining of silver is done by :

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  12. CO on passing over heated nickel gives

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  13. (xiii) Which process represents the change, Ti + 2I(2) rarr TiI(4) r...

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  14. Purification of Silicon element used in semiconductors is done by .

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  17. The oxidation numbers of Fe and S in iron pyrites are

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