(a) Define the terms (i) mineral (ii) ore, and (iii) gangue.
(b) What is meant by the ‘concentration of ore’?
(c) Name one ore of copper (other than cuprite). Which compound of copper is present in this ore? Also, write its chemical formula.
(a) (i) Minerals are those substances in which the metal or compounds that are found on earth.
(ii) Ores are those minerals from which the metals can be extracted conveniently and profitably.
(iii) Gangue is the impurities like sand, rocky material present in the ore
(b) Before extracting metal from its ore it is necessary to remove the gangue and after the removal, we will get n ore that is concentrated. This is called the concentration of the ore and is also called the enrichment of ore.
(c) Ore: Copper glance; Copper(I) Sulphide
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