Question

Q.9. What happens when :
(Dilute sulphuric acid is poured on a copper
plate ?
(ii) Iron nails are placed in copper sulphate
solution ?
Write word equations of the reactions
nvolved.
​

Answer 1

Answer:

i) copper will displace hydrogen and it will form copper sulphate + hydrogen gas.

ii) iron will displace copper and it will form ferous sulphate + copper

Answer 2

Answer:

1. CuSO4 is formed and H2 released.

H2SO4 + Cu ====> CuSO4 + H2

2. FeSO4 is formed and Cu residues settle in the bottom. The solution turns green.

CuSO4 + Fe ====> FeSO4 + Cu

Hope this answer will help you mate!!!!