The reddish brown colour obtained on iron nail placed im copper sulphate solution is of
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Explanation:
is because of the deposition of copper substance o n it
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Answer: this happens due to displacement reaction
Explanation:
As iron is more reactive than copper it displaces copper from its salt solution. There fore copper deposits on iron nail.
MetalA+solutionB--→ solutionA + metalB
Only if A is more reactive thanB
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