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Differentiate between roasting and calcination with …

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Differentiate between roasting and calcination with the help of suitable chemical equation.

Posted by Ankur Axom 7 years, 7 months ago

CBSE > Class 10 > Science

1 answers

Darpan Yadav 7 years, 7 months ago

ROASTING : Roasting is the process in which a sulphide ore is strongly heated in the presence of air to convert it into metal oxide. EXAMPLE : 2 ZnS + 3 O₂--->2 ZnO + 2 SO₂. CALCINATION : Calcination is the process in which a carbonate ore is heated strongly in the absence of air to convert it into metal oxide. EXAMPLE : ZnCO₃---->ZnO + CO₂.

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CBSE > Class 10 > Science