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Ramesh dropped a metal piece ‘A’ in the solution of another metal ‘M’. After some time a new colour less compound ‘N’ is formed. A, M, N respectively can be (1) Mg, NaCl, MgCl2 (2) Fe, ZnSO4, FeSO4 (3) Zn, CuSO4, ZnSO4 (4) Cu, ZnSO4, CuSO4 |
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Answer» (3) Zn, CuSO4, ZnSO4 |
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