Out of the following metals which will give \( \mathrm{H}_{2} \) on reaction with \( \mathrm{NaO...

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Out of the following metals which will give \( \mathrm{H}_{2} \) on reaction with \( \mathrm{NaOH} \) ?
I : Zn, II : Mg, III : Al, IV : Be
\( \mathrm{P} \)
(a) I, II, III, IV
(b) I, III, IV
(c) II, IV
(d) I, III
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