Question

Roasting process is applied to which of the following ores

Answer 1

Answer:

Roasting process is done for the extraction of Sulphide ores.

Answer 2

Complete question:

Roasting process is applied to which of the following ores

1) galena

2) Iron pyrites

3) copper glance

4) all​ of the above

Correct Answer:

Roasting process is applied to the following ores:

(4) All of the above

- Roasting is a process in which we heat the ore in a regular supply of air in a big furnace at a temp below its melting point.

- This process can be applied to the sulphide ores.

- Gelena is PbS, iron pyrite is Fe2S and copper glance is Cu2S.

- As all the given ores are sulphide ores, roasting can be applied to all of them.