Question

Give reason:-

carbonate and sulphide ores are usually converted into oxides during the process of extraction ​

Answer 1

Answer:

because to do roasting and roasting need oxides and then after roasting the electric refining is done and metal are extracted

Answer 2

Explanation:

Conversion of carbonates and sulphides to their repsected oxides give an ease in extraction of metal from their ore hence it becomes necessary for the metal carbonates or sulphides to first oxidized to their ore and then undergo for metal extraction from their oxides