Question

What is Roasting and calcination ?​

Answer 1

Answer:

roasting is the heating is an ore in free supply of air

calcination is the heating is an ore in absence of air

Answer 2

Answer:

Roasting :-

♥ It's the process in which the sulphide ores are converted into oxides by hearing strongly in the presence of excess of air

Calcination :-

♥ It's the process in which the Carbonate ores are converted into oxides by heating in the presence of limited air

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Jannat ❤