Refining Process

IMPORTANT

Refining Process: Overview

This Topic covers sub-topics such as Electrolytic Refining, Mond's Process, Zone-Refining Process, Fractional Distillation Process, Liquation Process, Vapour Phase Refining, Purification or Refining of Metals and, Van-Arkel's Process

Important Questions on Refining Process

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Zinc and mercury metals cannot be refined by fractional distillation process.

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Metals which can be refined by fractional distillation process.

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Write the name of any two metals which can be refined by fractional distillation process.

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Electrolytic refining is used to purify which of the following metals?

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Give details of the following methods for refining of metals.

Zone refining

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Give details of the following methods for refining of metals-

Electrolytic refining.

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In the metallurgy of aluminium, write the uses of following.

Cryolite

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Zone refining is a method to obtain:

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Van-Arkel method of purification of metals involves converting the metal to a:

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How is zone refining process used to obtain ultra pure metals?

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Which method is widely used for refining of copper.(electrolytic method/Van Arkel method)

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Suggest a list of metals that are extracted electrolytically.

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Pure zirconium metal is obtained by

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Which of the following element is purified by vapour phase refining?

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Van-Arkel method is used for removing oxygen and nitrogen present as impurities from metals like

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Van-Arkel method of refining zirconium involves

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The zone - refining process of metals is based on the principle of

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In the extraction of Ag, Zn is removed from Zn-Ag alloy through

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Tin & lead can be refined by -

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One of the following metals forms a volatile compound and this property is taken advantage for its extraction. This metals is