Question

define roasting.......

Answer 1

Roasting Definition: Roasting is a process in metallurgy in which a sulfide ore is heated in air. The process may convert a metal sulfide to a metal oxide or to a free metal.

Answer 2

Roasting is a process in metallurgy in which a sulfide ore is heated in air. The process may convert a metal sulfide to a metal oxide or to a free metal.

Ex - Ex- ZnS + Heat - ZnO + SO2

Example: Roasting ZnS may yield ZnO; roasting HgS may yield free Hg metal