Question 9 (a) What happens when Dilute sulphuric acid is poured on a copper plate? Write word equations of the reactions involved.
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Solution
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. Dil.Sulphuricacid+Copper→Noreaction