Differentiate between calcination and roasting(with suitable chemical equation).
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Roasting is the process of heating ores strongly in the presence of air.
It is usually done to sulphide ores to reduce them to the oxides.
Eg. HgS2 -------> HgO + SO2
It is usually done to sulphide ores to reduce them to the oxides.
Eg. HgS2 -------> HgO + SO2
brother can u give me a chemical equation for calcination
Sure
CaCO3 → CaO + CO2(g)
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It is done to carbonate ores.