Magnesium is prepared by the electrolysis of fused __________.

Magnesium is present in :

Give the suitable reasojn for the following statements: Alkali metals are prepared by the electrolysis of their fused chlorides.

How to prepare hydrogen by the electrolysis of water ?

Magnesium is not present in :

Ethyne is liberated by the electrolysis of an aqueous solution of :

Draw the diagram of the apparatus used in the electrolysis of water.