Question

5. When an iron nail is dipped in blue copper sulphate solution,
(i) colour of the solution changes to green.
(ii) colour of the solution fades.
(iii) brown deposit is observed on the iron nail.
(iv) brown deposit is observed at the bottom of the beaker.​

Answer 1

Explanation:

When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed on the surface of iron and the colour of copper sulphate solution changes from blue to light green.

Answer 2

Answer:

1.

Explanation:

colour of the solution changes to green.

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