Question

what is the differnce between calcination and roasting
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Answer 1

Answer:

Explanation:

Calcination: 1. It occurs in absence or limited supply of oxygen

2. This process is used for carbonate ores.

3.In this process CO2 is formed along with metal oxide

Roasting: 1. Occurs in abundant supply of oxygen.

2. Sulphide ores are used

3.So2 is formed along with metal oxide