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प्रश्न
Indicate the principle behind the method used for the refining of Nickel.
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उत्तर
The method of vapour phase refining is employed to refine nickel. It is based on the principle of converting a metal into a volatile compound using a suitable reagent that can be readily decomposed elsewhere to give back the pure metal.
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संबंधित प्रश्न
Explain the principle of the method of electrolytic refining of metals. Give one example.
Explain column chromatography.
Write the principle behind the following methods of refining:
Vapour-phase refining
What happens when Copper matte is charged into silica lined converter and hot air blast is blown?
Which method is used for refining Zr and Ti? Explain with equation.
Give two requirements for vapour phase refining.
Assertion: Zone refining method is very useful for producing semiconductors.
Reason: Semiconductors are of high purity.
Assertion: Hydrometallurgy involves dissolving the ore in a suitable reagent followed by precipitation by a more electropositive metal.
Reason: Copper is extracted by hydrometallurgy.
Purification of crude metals by removing metallic and non-metallic impurities is known as ______ of metals.
Describe a method for refining nickel.
