Question

Explain:Roasting and Calcination.​

Answer 1

Calcination is a process in which ore is heated in the absence of air or air might be supplied in limited quantity. Roasting involves heating of ore lower than its melting point in the presence of air or oxygen. Calcination involves thermal decomposition of carbonate ores

Answer 2

Answer:

Calcination is done mainly for carbonate ores and roasting is done mainly for sulphide ores.