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प्रश्न
Name the method of refining which is Used to obtain low boiling metal.
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उत्तर
Distillation
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संबंधित प्रश्न
Explain the principle of the method of electrolytic refining of metals. Give one example.
Describe the roles of the following: NaCN in froth floatation process
What is meant by the term “chromatography”?
Write the principle behind the following methods of refining:
Vapour-phase refining
What happens when NaCN is added in an ore containing PbS and ZnS during concentration by froth floatation method?
In which of the following method of purification, metal is converted to its volatile compound which is decomposed to give pure metal?
(i) Heating with stream of carbon monoxide.
(ii) Heating with iodine.
(iii) Liquation.
(iv) Distillation.
Why is an external emf of more than 2.2 V required for the extraction of \[\ce{Cl2}\] from brine?
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 |
Describe a method for refining nickel.
Describe a method for refining nickel.
