Science, asked by Anonymous, 1 year ago

what is calcination and roasting ?

Answers

Answered by sumanrastogi8

Answer:

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 cutieashofficial

Answer :

Roasting is done in the presence of oxygen and it is of sulphide ore and calcination is used for carbonate ore in absence of oxygen.

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