Question

which gas is produced when dilute hydrochloric acid is added to a reactive metal? write the chemical equation when iron reacts with dil. H2SO4.​

Answer 1

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When dilute HCl react with reactive metal like alkali metal or alkali earth metal, Hydrogen gas is liberated.

For example:

Mg+2HCl⟶MgCl +H2

Reaction when Iron reacts with dilute H2So4

Fe+H2So4-->FeSo4+H2

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