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प्रश्न
Zone refining is based on the principle that ______.
पर्याय
impurities of low boiling metals can be separated by distillation.
impurities are more soluble in molten metal than in solid metal.
different components of a mixture are differently adsorbed on an adosrbent.
vapours of volatile compound can be decomposed in pure metal.
उत्तर
Zone refining is based on the principle that impurities are more soluble in molten metal than in solid metal.
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संबंधित प्रश्न
Name the common elements present in the anode mud in electrolytic refining of copper. Why are they so present ?
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
Write two basic requirements for refining of a metal by Mond process and by Van Arkel Method.
Assertion: Hydrometallurgy involves dissolving the ore in a suitable reagent followed by precipitation by a more electropositive metal.
Reason: Copper is extracted by hydrometallurgy.
Purification of crude metals by removing metallic and non-metallic impurities is known as ______ of metals.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
