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प्रश्न
Explain the term:
Electro refining
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उत्तर
It is the process of refining the impure metals through the use of electric current through the use of electric current or electrolysis.
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संबंधित प्रश्न
Name the following :
The process of coating of iron with zinc
Give one word or phrase for the following:
Electrolytic deposition of a superior metal on a baser metal.
Out of Cu and Ag, which is more active?
How would you change Cu2+ ion to Cu?
Give reason for the following:
For electroplating with silver, silver nitrate is not used as an electrolyte.
The following question relate to the electroplating of an article with silver.
Name the electrode formed by the article which is to be plated.
The following question relate to the electroplating of an article with silver.
What should be the nature of the anode?
Element X is a metal with valency 2. Element Y is a non-metal with valency 3.
(a) Write equations to show how X and Y form ions.
(b) If Y is diatomic gas, write the equation for the direct combination of X and Y to form a compound.
(c) Write two applications of electrolysis in which anode diminish in mass.
(d) If the compound formed between X and Y is melted and an electric current passed through the molten compound, the element X will be obtained at the _____ and the Y at the ________of the electrolytic cell. (Provide the missing words).
The electrolyte used for electroplating an article with silver is ______.
Draw a labelled diagram to show how iron is electroplated with copper.
