Q. 44 A

Define the terms (i) mineral (ii) ore, and (iii) gangue.

Answer :

(i) Minerals - The natural materials in which the metals or their compounds are found in earth are called minerals. (ii) Ores - Those minerals from which the metals can be extracted conveniently and profitably are called ores. (iii) Gangue - The unwanted impurities like sand, rocky material, earthy particles etc., present in an ore are called gangue.

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