Question

(very easy questions) When sulphuric acid is poured over Zinc metal is added to copper solution?​

Answer 1

Answer:

(a) Copper does not react with dilute sulphuric acid. So, no reaction will take place when diluting sulphuric acid is poured onto a copper plate. But when concentrated sulphuric acid is poured onto a copper plate, effervescence is observed.

Copper + Conc. → Copper + hydrogen