Chemistry - Metallurgy Question with Solution | TestHub

In zinc metallurgy, ZnO is reduced (by C/CO) to obtain impure zinc called spelter, so (A) is correct.
Pig iron is directly obtained from the blast furnace, hence (B) is correct.
Liquation is used for Sn, Pb and Bi (not only Bi), so (C) is wrong.
Blister copper contains about 98–99% Cu, not 58%, so (D) is wrong.

Correct answer: A and B.