How is the method of extraction of metals high up in the reactivity series different from that for metals in the middle? Why can the same process not be applied for them? Name the process used for extraction of these metals.

How is the method of extraction of metals high up in the reactivity series different from that metals in the middle ? Why the same process cannot be applied for them ? Explain giving equations, the extractions of sodium.

Explain the following: How is the mehotd of extraction of metlas high up in the reactivity series different form that for metals in the middle?Why the same process cannot be applied for them? Explaining by giving equaiton,the extraction sodium.

Name the method used for extraction of alkali metals

Hall's process is used for the extraction of which metal.

How will you extract metals which are low in the reactivity series?