MCQ
Select process in which $SO_2$ is Not evolved:
- AWhen $Cu_2S$ is roasted
- ✓When $Cu_2S$ is heated with roasted $Cu_2S$
- CWhen $FeS$ is partially roasted
- DWhen partially roasted $FeS$ is heated with Silica
✓
Answer
Correct option: B.
When $Cu_2S$ is heated with roasted $Cu_2S$
b
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