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प्रश्न
Electrolytic refining is used to purify which of the following metals?
विकल्प
\[\ce{Cu and Zn}\]
\[\ce{Ge and Si}\]
\[\ce{Zr and Ti}\]
\[\ce{Zn and Hg}\]
उत्तर
\[\ce{Cu and Zn}\]
Explanation:
Copper and zinc are two metals which are generally purified by using electrolyte refining. In this process, impure metal is used as anode and pure metal is used as a cathode. Impurities from the blister copper or impure zinc deposit as anode mud.
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संबंधित प्रश्न
Name the method used for the refining of zirconium.
Outline the principles of refining of metals by the following methods: Vapour phase refining
Outline the principles behind the refining of metals by the following methods:
Chromatographic method
Zone refining is based on the principle that ______.
How are metals used as semiconductors refined? What is the principle of the method used?
Give two requirements for vapour phase refining.
Match the items of Column I with the items of Column II and assign the correct code:
| Column I | Column II |
| (A) Coloured bands | (1) Zone refining |
| (B) Impure metal to volatile complex | (2) Fractional distillation |
| (C) Purification of Ge and Si | (3) Mond Process |
| (D) Purification of mercury | (4) Chromatography |
| (5) Liquation |
Refining using liquation method is the most suitable for metals with ______.
Describe a method for refining nickel.
Describe a method for refining nickel.
