Question

Which one of the following pairs of reactants can undergo a reaction under appropriate conditions ? i. MgSO4 + Fe ii. FeSO4 + Zn iii. MgSO4 + Pb iv. CuSO4 + Fe [0.8 mark] O (i) and (iii) O (iii) and (iv) O ) (i), (ii) and (iv) O (ii) and (iv) 个​

Answer 1

Answer:

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