Question 1:
Define the following terms.
(i) Mineral (ii) Ore (iii) Gangue
Answer
(i) Mineral: Most of the elements occur in nature as in combined state as minerals.
The chemical composition of minerals is fixed.
(ii) Ore: Minerals from which 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.
Latest Govt Job & Exam Updates: