Chemistry, asked by avudaiyarkoilbrc2014, 1 year ago

Define roasting and calcination process and give one example for each

Answers

Answered by Smarter111
2
The process in which the sulphide ore of a metal is heated in a the presence of excess of air to get the metal oxide is called roasting.
Ex- ZnS + Heat - ZnO + SO2

The process in which the carbonate ore is heated in the absence of air is called calcination.
Ex - ZnCO3+ Heat - ZnO + CO2



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