3 99.9 % of pure metals are obtained by this methoda) Electrolytic refining of metalsb) Zone refiningc) Fractional crystallisationd) Cupellation

3 99.9 % of pure metals are obtained by this methoda) Electrolytic r

1.	3 99.9 % of pure metals are obtained by this methoda) Electrolytic refining of metalsb) Zone refiningc) Fractional crystallisationd) Cupellation
Answer» tion:ELECTROLYTIC REFINING of METALS is ur answermark it brilliant