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Question

Define thefollowing terms.

(i) Mineral (ii) Ore (iii) Gangue

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Solution

(i) Mineral: Most of theelements occur in nature as in combined state as minerals. Thechemical composition of minerals is fixed.

(ii) Ore: Minerals fromwhich metals can be extracted profitably are known as ores.

(iii) Gangue: The impurities (sand, silt, soil,gravel, etc.) present in the ore are called gangue.


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