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प्रश्न
Outline the principles behind the refining of metals by the following methods:
Zone refining method
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उत्तर
Zone refining Method:
Zone refining method is based on the principle that impurities are more soluble in the molten state than in the solid state of a metal.
This method is used in the purification of elements like Germanium(Ge), Silicon(Si), Indium (In) etc.
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संबंधित प्रश्न
Name the method used for the refining of zirconium.
Explain the principle of the method of electrolytic refining of metals. Give one example.
Explain column chromatography.
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Out of PbS and PbCO3 (ores of lead), which one is concentrated by froth floatation process preferably?
Indicate the principle behind the method used for the refining of Nickel.
Name the method of refining which is Used to obtain low boiling metal.
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.
Electrolytic reduction method is used for the extraction of ______.
Describe a method for refining nickel.
