Question

a metal which react with acid and basic to form hydrogen gas​

Answer 1

When alkali (base) reacts with metal, it produces salt and hydrogen gas. Example: Sodium hydroxide gives hydrogen gas and sodium zincate when reacts with zinc metal.

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Answer 2

Explanation:

when a metal react with any mineral acid except nitric acid it will form hydrogen

whereas when oxides of zn al and pb being amphoteric reacts with base to form hydrogen and salt

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