Question

out of the following metals which will give H 2 on reaction with NaOH ?
I: Zn, II : Mg, III : AI, IV : Be
(a) I, II, III, IV (b) I, III, IV
(c) II, IV
(d) I, III
​

Answer 1

Answer:

(a)l,ll,lll,lV,lV is your answer

Because they all are metal

Answer 2

All these metals will give H2 gas when they react with NaOH..So, the correct option is ---> (A )

plz mark it as brainliest