MCQ
Sulphur on boiling with $NaOH$ solution gives
- A$N{a_2}{S_2}{O_3} + NaHS{O_3}$
- ✓$N{a_2}{S_2}{O_3} + N{a_2}S$
- C$N{a_2}S{O_3}$$ + {H_2}S$
- D$N{a_2}S{O_3} + S{O_2}$
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