Question

What happens when iron nails are placed in copper sulphate solution.
Colour of copper sulphate changes
Copper is deposited on iron .
Both above .
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Answer 1

Answer:

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Answer 2

Answer:

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

Explanation:

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