Chemistry, asked by mubassira09, 10 months ago

explain roasting and calcination

Answers

Answered by aadistar

Roasting is the process in which the ore is heated below its melting point in presence of air to oxidise the impurities. ...Calcination is the process of heating the ore below its melting point an absence of air to remove volatile impurities like arsenic etc.

Answered by Vishalrajput5741

Answer:

It is the process of heating the ore very strongly in a very limited supply of air so as to remove moisture and any volatile impurities called calcination.

Explanation:

CaCO3=CaO+CO2

It is the process of heating the ore very strongly in presence of air so as to remove moisture and any volatile impurities called roasting.

4FeS2+11O2=2Fe2O3+8SO2

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