Question

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An iron nail is dipped in an aqueous solution of blue vitriol. What changes will be observed
after some time? What kind of reaction is this? Mention the equation for this reaction
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Answer 1

Answer:

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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