zinc granulars were added to four different solution of CuSo4,ZnSo4 ,Al2(So4)3.After sometimes the colour of two solutions were changed .F
these are?
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only 3 solutions are given...where is the forth one?
the one whose colour will be changed is CuSo4 because copper is less reactive than zinc. so, copper will be displaced by zinc and thus, the colour will be changed.
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In figures given below, in which test tube, the colour change is correct?
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