Refining using the liquation method is the most suitable for metals with:

Which of the following methods is $NOT$ used for the refining of impure metals in metallurgy?

What is blister copper?

Copper is purified by electrolytic refining of blister copper. The correct statement$(s)$ about this process is(are):
$(A)$ Impure $Cu$ strip is used as cathode
$(B)$ Acidified aqueous $CuSO_4$ is used as electrolyte
$(C)$ Pure $Cu$ deposits at cathode
$(D)$ Impurities settle as anode-mud

What is annealing?

The Mond process is used for the