Question

metal which produces hydrogen on reacting with alkali as well as with acid​

Answer 1

All amphoteric metals...for example-aluminium,zinc....

Hope it'll be helpful

Answer 2

heya here is your answer

1.lead(pb)

2.zinc(zn)

3.aluminium(Al)

example-

Zn+HCl----->ZnCl2+h2

and

Zn+NaOH---->Na2ZnO2+H2

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