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प्रश्न
During extraction of metals, electolytic refining is used to obtain pure metals.
(a) Which material will be used as anode and cathode for refining of silver metal by this process?
(b) Suggest a suitable electrolyte also.
(c) In this electrolytic cell, where do we get pure silver after passing electric current?
उत्तर
- During extraction of silver metal, impure metal will be used as anode and pure metal is used as a cathode for refining of silver metal by this electrolytic refining.
- Silver Sulphate or Silver Nitrate could be used as an electrolyte.
- Pure silver is obtained on the cathode.
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संबंधित प्रश्न
In the electrolytic refining of a metal M, what would you take as the anode, the cathode and the electrolyte?
Name the following:
The property possessed by metals by which they can be beaten into sheets.
Name the gas in air which tarnishes silver articles slowly.
Name the metal which is extracted from haematite ore.
Name the electrode at which aluminium metal is produced.
The two metals which are extracted by means of electrolytic reduction of their molten salts are:
(a) magnesium and manganese
(b) iron and aluminium
(c) zinc and magnesium
(d) magnesium and aluminium
Which of the following pair of metals exists in their native state in nature?
(a) Ag and Hg
(b) Ag and Zn
(c) Au and Hg
(d) Au and Ag
What is galvanized iron.
Correct the following statement :
Copper reacts with nitric acid to produce nitrogen dioxide.
In electrolytic reduction of alumina _______ is used as a cathode.
