Question

What happens when a) dilute sulphuric acid reacts with copper ? b) zinc granules are placed in copper sulphate solution? ​

Answer 1

a)when dilute sulphuric acid reacts with copper, it forms copper sulphate and hydrogen gas as copper displaces hydrogen .

H2SO4+Cu--> CuSO4. +. H2

[blue vitriol]

b)when zin granules are placed in copper sulphate solution , zinc displaces copper from its solution and forms zinc sulphate

Zn+ CuSO4 ---->. ZnSO4. + Cu

[white vitriol]

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Answer 2

Answer:

concept-acid+metal gives salt+hydrogen.

a)copper sulphate +hydrogen

b)zinc sulphate+hydrogen.