Differentiate between roasting and calcination (3 marker) - Science - Metals and Non-metals

Question

Differentiate between roasting and calcination (3 marker)

Shivam · Accepted Answer

Roasting

*The process in which a sulphide ore is strongly heated in presence
of air to convert it into metal oxide

*In presence of air

CALCINATION

*The process in which a carbonate ore is heated strongly in the
absence of air to convert it into metal oxide

*In absence of air