Advertisements
Advertisements
प्रश्न
Name the method of refining of metals such as Germanium.
Write the principle of method used for the refining of germanium
Advertisements
उत्तर १
Zone refining method is the most suitable method for refining metals like germanium (semiconductor).
उत्तर २
Zone refining: Principle − Impurities are more soluble in the molten state of metal (the melt) than in the solid state.
APPEARS IN
संबंधित प्रश्न
What is the principle behind the zone refining of metals?
Write down the reaction taking place in blast furnace related to the metallurgy of iron in the temperature rnge 500 K – 800 K. What is the role of limestone in the metallurgy of iron?
Which method is used for refining Zr and Ti? Explain with equation.
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 |
Electrolytic reduction method is used for the extraction of ______.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
