Question

The reaction of iron nail with copper sulphate solution is ....................reaction
(a) combination (b) decomposition
(d) displacement (d) double displacement.
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Answer 1

(d) Displacement

The reaction of iron nail with copper sulphate solution is a dusplacement reaction.

Answer 2

The reaction of iron nail with copper sulphate solution is displacement reaction.

Fe(s) + CuSO4(aq) will change to FeSO4(aq) + Cu(s)

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