3. Metals and Non-metals
medium

Define the following terms.

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

Option A
Option B
Option C
Option D

Solution

$(i)$ 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.

Standard 10
Science

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