Question

how are metals refined

Answer 1

Metals obtained by reduction processes still contain some objectionable impurities and hence have to be refined. Refining techniques vary widely from metal to metal and also depend on the use to which a metal has to be put.

Answer 2

Metals are generally extracted from their ores by three major routes :

1: Pyrometallurgy

2: Hydrometallurgy

3: Electrometallurgy

HOPE SO HELP FOR U

IF U WANNA MORE INFOR ABOUT I WILL GIVE U ^=^