Select the incorrect statement.
Highly reactive metals are produced by electrochemical reduction of their respective cations
Fused chloride of sodium is used to produce sodium by electrolysis
Oxides of Mg or Al are used to produce these metals by electrolysis
Electrolysis of Al is done in the presence of cryolite
Oxides of Al and chloride of Mg are electrolysed to produce these metals. Other statements are true.