Question

what happened Mini metal placed above hydrogen in a reactivity series react with dilute acid explain with the help of an example​

Answer 1

Answer:

When a metal above hydrogen in the reactivity series reacts with dilute acid, it displaces the hydrogen from that acid and takes it's place. The hydrogen gas evolves and makes it way out of the container. 

Example:

Sulfuric acid + Zinc = ZincSulphate + Hydrogen.

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