MetallurgyEasy
Question
Which of the following processes is used in extractive metallurgy of magnesium ?
Options
A.Fused salt electrolysis
B.Self reduction
C.Aqueous solution electrolysis
D.Thermite reduction
Solution
Only fused salt electrolysis yields Mg. On electrolysis of aqueous salt solution. H2 is libreated at cathode instead of Mg. (b), (c) &(d) can′t be used because Mg is highly electropositive metal.
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