In roasting the ores are generally converted into

Explain - Sulphide ores are generally converted into oxides before reduction.

Carbonate or hydroxide ores are generally converted to their oxides by

In the stages involved in the extraction of metals in general - give reasons for following Roasting the ore generally results in evolution of sulphur dioxide gas, while calcination of the ore evolves carbon dioxide gas.

What type of ores are generally roasted ? Why ?

Roasting of sulphide ore is generally performed in

Roasting of sulphide ore is generally performed in

Roasting is done generally in case of

Calcination and roasting are generally carried out in