The process of extracting metals by electrolysis of their oxides, hydroxides or chlorides in the fused state is called

Options

A. electrometallurgy
B. electro refining
C. zone refining
D. hydrometallurgy

Answer

A

Explanation

Highly electropositive metals such as alkali metals of group -1 and alkaline earth metals of group -2 are commonly extracted by the electrolysis of their fused salts. The process of extraction metals by electrolysis process is called electrometallurgy.