Question

Question 9 (a)
What happens when
Dilute sulphuric acid is poured on a copper plate?
Write word equations of the reactions involved.

Answer 1

Dilute sulphuric acid does not react with copper. Since copper is less reactive than hydrogen, it cannot replace the hydrogen.
However, concentrated sulphuric acid can oxidise copper when heated.
$\mathrm{Dil}.\mathrm{Sulphuric}\mathrm{acid}+\mathrm{Copper}\to \mathrm{No}\mathrm{reaction}$