The impurities present in the mined ore are technically called ___ .
Matrix
Slag
Waste
Gangue
Impurities present in the mined ore are collectively called gangue/matrix.
The impurities present in mined ore are technically called
The impurities present in a crude ore is called gangue.
Ores mined from the earth are usually contaminated with large amounts of impurities such as soil, sand, etc., are called ____________.