The highly electropositive metals like `Na, Mg or Al` are extracted by _____________.

Highly electropositive metals such as alkaline earth's are extracted by ………….

In the stages involved in the extraction of metals in general - give reasons for following Oxide or halides of highly electropositive metals e.g. K, Na, Ca, Al are reduced to metals by electrolysis and not by reduction with coke.

Assertion: Electropositive metals like Mg,A1 are extracted by electrolysis of their slat solutions. Reason: Highly electropositive metals cannot be reduced by chemical reduction methods.

Highly electropositive metal(s) can not be commercially extracted by carbon reduction process at high temperature because these :

Highly electropositive metal(s) can not be commercially extracted by carbon reduction process at high temperature because these :

On reacting with electropositive metal like Na, alcohols give sodium alkoxides on liberates H_2 . In this reaction alcohols behave as _________.