The metal that is extracted from sea water is

Metal extracted from sea water is _____.

Salt is separated from sea water by

(A): Magnesium metal can easily be extracted from sea water rather than sodium metal, (R): Mg(OH)_(2) is less soluble in water than NaOH.

Magnesium metal is extracted from

Metals are extracted from

The copper metal is extracted from its

Which metal is extracted from haematite ?