Question

what is mean by calcination and roasting

Answer 1

Heya...

Here's your answer........

Calcination is the process of heating the ore below its melting point an absence of air to remove volatile impurities like arsenic etc.

Roasting is the process in which the ore is heated below its melting point in presence of air to oxidise the impurities

Thanks...!!!

XD

Sorry baby 'wink'

Answer 2

Hey ur answer is here

There is proper differentiation between calcination nad roasting