Question

What is roasting? What are functions of it

Answer 1

Roasting is the process of heating of sulphide ore to a high temperature in the presence of air.

Functions

Convert the ore into its metal oxide

Answer 2

$\huge{\underline{\underline{.........Answer}}}$

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.

Roasting is a metallurgical process involving gas–solid reactions at elevated temperatures with the goal of purifying the metal component(s).