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We observe blue colour if : (a) Cu electrode is placed in the AgNO 3 solution (b) Cu electrode is placed in the ZnSO 4 solution (c) Cu electrode is placed in the dil.HNO 3 solution (d) Cu electrode is placed in the dil.H 2 SO 4 solution

We observe blue colour if :


(a)    Cu electrode is placed in the AgNO3 solution


(b)   Cu electrode is placed in the ZnSO4 solution


(c)    Cu electrode is placed in the dil.HNO3 solution


(d)   Cu electrode is placed in the dil.H2SO4 solution


 

Grade:11

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