Define the following terms. (i) Mineral (ii) Ore (iii) Gangue

Question 1. Define the following terms.
(i) Mineral (ii) Ore (iii) Gangue
Answer: 
Mineral: The naturally occurring compounds of elements are known as Mineral. 
Ore: The mineral from which element can be extracted easily and profitably is called an ore.
Gangue: The impurities present in the ore such as sand, rocks etc are non as gangue.