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Extraction of Aluminium

Corrosive sub...

Question

Corrosive sublimate may be converted into calomel by :

A

placing iron metal in its aqueous solution

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B

treating its aqueous solution with the excess of

{N H}_{4} O H

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C

passing

{C l}_{2}

through its aqueous solution

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D

heating it with mercury

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Solution

The correct option is D heating it with mercury
Corrosive substance is converted into calomel by heating the substance with mercury.

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