MCQ
Dry bleaching is done by
- A$Cl_2$
- B$SO_2$
- ✓$O_3$
- D$H_2O_2$
✓
Answer
Correct option: C.
$O_3$
c
$SO_2$ soluble in water. So can not be collected over water. $SO_2 +H_2O \to H_2SO_4$
$SO_2$ soluble in water. So can not be collected over water. $SO_2 +H_2O \to H_2SO_4$
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