Question
Differentiate between: Roasting and Calcination.
✓
Answer
Roasting:
- In this process, the ore is heated strongly in the presence of air.
- In this process, sulphide ore is converted into metal oxide.
- During this process $SO_2$ is given out.
- In this process, the ore is heated strongly in the limited supply of air.
- In this process, carbonate ore is converted into metal oxide.
3. During this process $CO _2$ is given out.
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