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प्रश्न
Draw a neat labelled diagram.
Magnetic separation method.
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उत्तर
Magnetic separation method-
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संबंधित प्रश्न
What is aqua-regia?
What is meant by refining of a metal? Name the most widely used method for the refining of impure metals obtained by various reduction processes. Describe this method with the help of a labelled diagram by taking the example of any metal.
How are metals refined by the electrolytic process?
Draw a neat labelled diagram.
Electrolytic reduction of alumina.
Draw a neat labelled diagram.
Hydraulic separation method.
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Name one metal each occurring as :
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Name one metal each occurring as :
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Name one metal each occurring as :
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The lightest liquid metal is ____________.
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- negatively charged anode
- positively charged anode
- negatively charged cathode
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Which one of the following figures correctly describes the process of electrolytic refining?
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A reddish-brown metal ‘X’, when heated in air, gives a black compound ‘Y’, which when heated in the presence of H2 gas gives ‘X’ back. ‘X’ is refined by the process of electrolysis; this refined form of ‘X’ is used in electrical wiring. Identify ‘X’ and ‘Y’. Draw a well-labelled diagram to represent the process of refining ‘X’.
