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Metallic magnesium is prepared by...

Metallic magnesium is prepared by

A

displacement of Mg by iron from `MgSO_4` solution

B

electrolysis of an aqueous solution of `Mg(NO_3)_2`

C

electrolysis of molten `MgCl_2`

D

reduction of MgO by coke

Text Solution

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The correct Answer is:
C
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