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प्रश्न
Name the method of refining which is Used to obtain semiconductor of high purity.
उत्तर
Zone refining
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संबंधित प्रश्न
Explain: Zone refining
What criterion is followed for the selection of the stationary phase in chromatography?
Out of PbS and PbCO3 (ores of lead), which one is concentrated by froth floatation process preferably?
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?
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 |
Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?
Refining using liquation method is the most suitable for metals with ______.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
