A zinc plate was kept in aglass having copper sulphate solutions.onexamining it was foundthat the blue colour of the solution is getting fader and fader .after afew days when the zinc plate taken out a no. of small holes were noticed on it .state the reason and give the chemical equations.
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Answer:
zinc is more reactive than copper it displaces copper from soon.
eqn: copper sulphate plus zinc gives zinc sulphate plus copper.
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Answer:simce zinc is placed much above copper in the reactivity series of metals.zinc displaces copper from its solution and in the process the blue colour fades away since zinc sulphate is formed.
Explanation:Zn +CuSO4 --->ZnSO4+Cu
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