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(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 natural materials in which the metals or their compounds are found on earth.
(ii) Ores are those minerals from which metals can be extracted conveniently and profitably.
(iii) Gangue is the unwanted impurities like sand, rocky material present in the ore.
(b) Before extracting metal from its ore it is necessary to remove the gangue from it. After the removal of gangue, we get a concentrated ore. This concentration of ore also called the enrichment of ore.
(c) Ore: Copper glance {Copper(I) Sulphide}
Updated on: 10-Oct-2022
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