Question

Which has is produced when dil.HCl is added to a reactive metal ? Write the chemical reaction when iron reacts​

Answer 1

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Hydrogen gas is evolved dilute hydrochloric acid is added to a reactive metal. When iron reacts with dilute H2SO4.

Answer 2

Caesium, the most reactive metal in the periodic table, reacts extremely violently – hence why it can't be demonstrated in a classroom! This can be compared to other common metals, such as iron and copper, which produce no reaction when dropped into water.