it is essential for steel making.
Pyrolusite (MnO2) doesn't rust.
Metal cannot be extracted from Gold, as Gold itself is a metal.
Iron is extracted from haematite.
Aluminium is extracted from alumina.
no
Lithium is extracted as the molten metal by a process of electrolysis.
copper
calcium
No, ore is not the crudest form of metal. Ore refers to a naturally occurring rock or mineral from which a metal or valuable mineral can be extracted. The crudest form of metal is typically the metal in its raw state after it has been extracted from the ore and before it has been processed or refined.
Titanium is extrated.
iron
Iron