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प्रश्न
Name the method used for the refining of Nickel metal.
Name the method of refining of nickel.
Name the method that is used for refining of nickel.
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उत्तर १
The Mond process (vapour phase refining) is used to refine nickel.
उत्तर २
Method used for refining of nickel metal is Mond’s process. In this process nickel is heated in a steam of carbon monoxide, which yields in the formation of nickel carbonyl.
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संबंधित प्रश्न
Name the method used for the refining of zirconium.
Explain the principle of the method of electrolytic refining of metals. Give one example.
Outline the principles behind the refining of metals by the following methods:
Chromatographic method
What happens when Copper matte is charged into silica lined converter and hot air blast is blown?
In the extraction of chlorine from brine:
(i) ∆GΘ for the overall reaction is negative.
(ii) ∆GΘ for the overall reaction is positive.
(iii) EΘ for overall reaction has negative value.
(iv) EΘ for overall reaction has positive value.
Why is an external emf of more than 2.2 V required for the extraction of \[\ce{Cl2}\] from brine?
Assertion: Zirconium can be purificed by Van Arkel method.
Reason: ZrI4 is volatile and decomposes at 1800 K.
Explain the following:
Vapour phase refining method is used for the purification of Ti.
Describe a method for refining nickel.
Describe a method for refining nickel.
