Which one on reaction with \( \mathrm{NaOH} \) solution gives inflammable gas? (a) \( \mathrm{S}...

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Which one on reaction with \( \mathrm{NaOH} \) solution gives inflammable gas?
(a) \( \mathrm{S} \)
(b) \( \mathrm{Zn} \)
(c) \( \mathrm{NH}_{4} \mathrm{Cl} \)
(d) \( \mathrm{I}_{2} \)
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