Question

what is refining of metals ? explain with a labelled diagram the process of electrolytic refining of copper
​

Answer 1

Answer:

refining consists of purifying an impure metal. It is to be distinguished from other processes such as smelting and calcining in that those two involve a chemical change to the raw material, whereas in refining, the final material is usually identical chemically to the original one, only it is purer.

hope it helps u !!

Answer 2

Answer:

the process of separating various constituent of of petroleum by fraction is called refining

Explanation: