Removal of impurities from ore is known as
Removal of impurities from ore is known as
The correct option is B Concentration of ore
Metallurgy is the process of obtaining metals or minerals from their ores. The process of removal of impurities from ore is known as the concentration of ore. The two methods for used for concentration of ore are Hydraulic Washing and Magnetic Separation.
Explanation for correct option:
(B) Concentration of ore
The impurities present in the ore is known as gangue. The removal of impurities from the ore is known as the concentration of ore.
Explanation for incorrect options:
(A) Crushing and grinding
The process of breaking the lumps of ores into small pieces using crushers or grinders is known as crushing and grinding.
(C) Minerals
Minerals are metals that exist naturally in the earth's crust.
(D) Gangue
Gangue is the term for the unwanted impurities that are present in the ore.
Therefore, the correct option is (B).
Concentration of ore
Metallurgy is the process of obtaining metals or minerals from their ores. The process of removal of impurities from ore is known as the concentration of ore. The two methods for used for concentration of ore are Hydraulic Washing and Magnetic Separation.
Explanation for correct option:
(B) Concentration of ore
The impurities present in the ore is known as gangue. The removal of impurities from the ore is known as the concentration of ore.
Explanation for incorrect options:
(A) Crushing and grinding
The process of breaking the lumps of ores into small pieces using crushers or grinders is known as crushing and grinding.
(C) Minerals
Minerals are metals that exist naturally in the earth's crust.
(D) Gangue
Gangue is the term for the unwanted impurities that are present in the ore.
Therefore, the correct option is (B).
