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प्रश्न
Name one metal each occurring as :
A sulphine
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उत्तर
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संबंधित प्रश्न
What is aqua-regia?
Name one method for the refining of metals.
Name any five metals which are purified by electrolytic refining method.
During the refining of an impure metal by electrolysis, the pure metal is a deposited ______.
Draw a neat labelled diagram.
Magnetic separation method.
Draw a neat labelled diagram.
Electrolytic reduction of alumina.
Name one metal each occurring as :
A carbonate
The lightest liquid metal is ____________.
In the electrolytic refining of copper, the electrolyte used is:
Which one of the following figures correctly describes the process of electrolytic refining?
Identify the terms for the following:
The electrode where reduction takes place.
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’.
Answer the following question with reference to the electrorefining of copper:
What is the anode made of?
Answer the following question with reference to the electrorefining of copper:
What do you observe at the cathode?
Answer the following questions with reference to the electrorefining of copper:
Write the reaction taking place at the cathode.
