Advertisements
Advertisements
प्रश्न
Outline the principles behind the refining of metals by the following methods:
Zone refining method
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Explain:
Zone refining
Out of PbS and PbCO3 (ores of lead), which one is concentrated by froth floatation process preferably?
Write the principle behind the following methods of refining:
Vapour-phase refining
Name the method of refining which is Used to obtain semiconductor of high purity.
Why is an external emf of more than 2.2 V required for the extraction of \[\ce{Cl2}\] from brine?
Write two basic requirements for refining of a metal by Mond process and by Van Arkel Method.
Give two requirements for vapour phase refining.
Purification of crude metals by removing metallic and non-metallic impurities is known as ______ of metals.
Electrolytic reduction method is used for the extraction of ______.
Describe a method for refining nickel.
