Question

The following observations were made by a student on treating four metals A,
B, C and D with the given salt solutions:
Sample MgSO4(aq)
FeSO4(aq)
CuSO4(aq)
Na2SO4(aq)
A
No reaction
Reaction
No reaction
occurs
B
Reaction
Reaction occurs
no Reaction
no reaction

С
occurs
Reaction occurs No Reaction
reaction
No Reaction
D
no reaction
reaction occurs
no reaction
no reaction ​

Answer 1

Answer:

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Explanation:

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