8129Chemical EngineeringMedium
Electrometallurgical methods of metal extraction is normally used for those metals________?
AWhich stands higher in the electrochemical series of the metal
BWhich fall in the category of alkali & alkaline earth metals
CWhose oxide/ore is not reduced by carbon
DAll A, B. & C.
Correct answer
D. All A, B. & C.
Explanation
The correct answer is All A, B. & C..