Chemistry, asked by ianushkagupta9883, 1 year ago

Difference between calcination and roasting 0

Answers

Answered by ankeshdhami123479
0

Answer:

calcination is the process in which a carbonate is heated strongly in the absence of air to convert it into the metal oxide

ZnCO³---------ZnO+CO²

roasting is the process in which a sulphide ore is strongly heated in the presence of air to convert it into metal oxide

2ZnS+3O²---------2ZnO+2SO²

Answered by shakthivel2004
0

Explanation:

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

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