Roasting process is used for:

A: Roasting process is involved in the metallurgy of Cu from Malachite ore. R: Roasting is the process of heating the ore in absence of air.

Roasting process is applied to which of the following ores

Calcination and roasting process of ores to form their oxides are beneficial:

Calcination and roasting process of reduction of ores to their oxides are beneficial :

Choose the correct code regarding Roasting process. (I) It is the process of heating ore in air to obtain the oxide (II) It is an exothermic process (III) It is used for hydrated oxide and oxysalt ore (IV) It is used after the concentration of ore