Which metal can be extracted from each one of the following ores:
(a) bauxite (b) calamine (c) haematite.
How can iron be extracted from haematite ore?
Which of the following metals can be obtained from haematite ore? (a) copper (b) sodium (c) zinc (d) iron
The metal which can be extracted from pyrolusite ore is: (a) mercury (b) manganese (c) calcination (d) sulphonation