In which test tube, reaction has occurred ? Write the balanced chemica – InterviewSolution

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1.	In which test tube, reaction has occurred ? Write the balanced chemical equation for the reaction.
Answer» Solution : The FOLLOWING reaction OCCURRED in a test TUBE containing iron NAIL dipped in a copper sulphate solution : `FE(s) + CuSO_4(aq)toFeSO_4(aq) + Cu(s)` In this reaction, more reactive Fe displaces less reactive Cu.

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