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प्रश्न
Describe the roles of the following: NaCN in froth floatation process
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उत्तर
In the froth floatation process, NaCN is used as a depressant. It selectively allows PbS to come with the froth but prevents ZnS from coming to the froth
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संबंधित प्रश्न
Name the method used for the refining of zirconium.
Name the method of refining of metals such as Germanium.
What is the principle behind the zone refining of metals?
Explain:
Zone refining
Outline the principles of refining of metals by the following method:
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Outline the principles behind the refining of metals by the following methods:
Chromatographic method
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 |
Electrolytic reduction method is used for the extraction of ______.
Describe a method for refining nickel.
Describe a method for refining nickel.
