Question

which one of the following metal react both with acid and base and releases hydrogen gas​

Answer 1

When a metal reacts with a base it produces hydrogen and salt. Example - Sodium hydroxide gives hydrogen and sodium zincate when reacts with zinc metal. So, most of the metals react with acids and bases to produce hydrogen gas but not all metals

Answer 2

most of the metals do release hydrogen gas....

but not all the metals....

hope it helps you out....

thank you....