Question

what is the difference between roasting and calcination???​

Answer 1

Answer:

roasting -1. it is carried out by heating ore in the presence of air

2. it converts ores into oxides

calcination- 1.it is carried out by heating ore in the absence of air

2. it converts carbonate ores into oxides

Answer 2

Answer:

Hey mate here is your 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.

Hope it helps

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