Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?

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Rituraj · Accepted Answer

Answer:  A. Electrolysis B. Chromatography C. Distillation D. Zone refining Metal which is liquid at room temperature is Mercury (Hg). Mercury has a low boiling point as compared to other metals. Distillation is used in cases where the Boiling point of impurities is more than boiling point of metal. For example- Zinc, Cadmium, Mercury.  Zone refining is used to purify a crystalline material and especially a metal having a low melting point. For example- Tin, Lead, Bismuth.  Chromatography is the technique used for separating the components or solutes of a mixture.  Electrolysis is a process used in the extraction of metals from their ores.  Hence, option (C) is correct.

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