Question

DEFINE CALcination and roasting

Answer 1

calcination is a process in which ore is heated in the absence or in limited supply of air while roasting is a process in which ore is heated in excess of air
Calcination is used for carbonates while roasting is used for sulphides
in calcination co2 is produced along with the metal while in roasting so2 is produced along with the metal
please mark it as a branliest answer

Answer 2

Calcination is a process in which Carbonate ore is converted into oxide in the absence or in limited supply of air.

Roasting is the process by which Sulphide ore is converted into oxide in presence of excess air.