Alkali metals are generally prepared by
A. reduction of metal oxides with carbon
B. electrolysis of their anhydrous molten halides
C. reduction of halides with hydrogen
D. reduction of corresponding oxide with powdered aluminium.
A. reduction of metal oxides with carbon
B. electrolysis of their anhydrous molten halides
C. reduction of halides with hydrogen
D. reduction of corresponding oxide with powdered aluminium.
Correct Answer – B