1.

What is an ore? On what basis a mineral is chosen as an ore?

Answer»

Ore : 

A mineral from which a metal can be extracted economically and conveniently is called ore. A mineral is chosen as an ore if the mineral is economical and profitable to extract. 

Example: 

Aluminium is the common metal in the Earth’s crust in all sorts of minerals. It is economically feasible and profitable to extract from bauxite which contains 50-70% of aluminium oxide.



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