Question

write a metalurgy of copper

Answer 1

Large amount of copper are obtained from copper pyrite (CuFeS2) by smelting. Ores containing 4% or    more copper are treated by smelting process. Very poor ores are treated by hydro-metallurgical process.

Answer 2

Metals in the middle of the activity series ( Zn, Fe, Pb, Cu) are moderately reactive.

These are obtained by roasting and calcination of their sulphide or carbonate ores.