Question

define calculation and roasting​

Answer 1

Roasting :- The process of heating of CO2 ore in presence of excess air or O2.

Calcination:- The process of heating of Sulphide ore in presence of limited air or O2.

Answer 2

HEY MATE

CALCINATION --> It is a process in which metal is extracted from its ore in limited supply of oxygen.It happens only for carbonate ore.

ROASTING -->> It is a process in which metal is extracted from its ore in unlimited supply of oxygen.it happens only for sulphide ore.

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