Question

Explain the difference between calcination and roasting

Answer 1

Answer:

Calcination refers to the process in which elements are extracted from their Carbonate ores in the absence of oxygen (air)..

Roasting refers to the process in which elements are extracted from their Sulphide ores in the presence of oxygen (air)..

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Answer 2

Answer: ✴️Calcination

It carried out by heating ore absence of air.

It convert carbonate Ore into oxide.

✴️Roasting

it is carried out by heating or in the presence of air.

It convert sulphide ore into oxide

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