Question

15.
What is roasting in metallurgy ?​

Answer 1

Answer:

Roasting is a process of heating a sulfide ore to a high temperature in presence of air. It is a step of the processing of certain ores. More specifically, roasting is a metallurgical process involving gas–solid reactions at elevated temperatures with the goal of purifying the metal component(s).

Answer 2

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