MCQ
A gas that cannot be collected over water is
- A${N_2}$
- B${O_2}$
- ✓$S{O_2}$
- D$P{H_3}$
${H_2}O + S{O_2}\,\, \to \,\,\mathop {{H_2}S{O_3}\,\,\,\,\,\,}\limits_{{\rm{Sulphurus acid}}} $
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