Chemistrymedium · Past Paper
Calcinations is the process of heating the ore:
AIn the presence of excess air
BIn the absence or limited supply of air
CWith flux
DWith coke
✓ Correct Answer: B — In the absence or limited supply of air
Calcination is used for carbonate or hydrated ores to remove volatile impurities by heating them below their melting point in limited air.
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