Question

3
99.9 % of pure metals are obtained by this method
a) Electrolytic refining of metals
b) Zone refining
c) Fractional crystallisation
d) Cupellation​

Answer 1

Explanation:

• electrolytic refining of metals is ur answer
• mark it brilliant

Answer 2

Explanation:

a) Electrolytic refining of metals is the answer for your question

hope it helps you