Chemistry, asked by nagasaikasina5445, 1 year ago

Difference between calcination and roasting in their metullargy process

Answers

Answered by dhruvsh

Calcination
1) it is the process of converting a carbonate ore into oxide ore.
2)It is done by burning the ore in limited supply of air.

Roasting
1) It is the process of converting a sulphide ore into oxide ore
2) It is done by burning the ore in excessive supply of air

Answered by Anjali1313

tIn calcination an ore is heated in absence of air to remove volatile impurities. It is used to convert carbonate ore into oxide.
eg- ZnCO3
In roasting a sulphide ore is heated in presence of air to convert it into its oxide.
eg- ZnS
I hope it will help u..

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