The difference(s) between roasting and calcination is/are :
CHEMISTRY · Single correct · CBSE · Chemistry · Metals and Non-metals · Metals and Non-metals
Problem
The difference(s) between roasting and calcination is/are :
(1) roasting is highly endothermic while calcination is not
(2) partial fusion occurs in calcination but not in roasting
(3) calcination is performed in limited amount of air but roasting employs excess air
(4) combustion reaction occur in roasting but not in calcination