Question

Q27. Four elements A,B, C, D are added solutions FeSO4, ZnSO4, CuSO4, AgNO3 and
observations as under-
2 Marks
FeSO4
ZnSO4
CuSO4
AgNO3
А
NO REACTION
NO REACTION
DISPLACEMENT DISPLACEMENT
B
NO REACTION
NO REACTION
NO REACTION
NO REACTION
C
DISPLACEMENT DISPLACEMENT DISPLACEMENT DISPLACEMENT
D
DISPLACEMENT
DISPLACEMENT
DISPLACEMENT NO REACTION
a. Arrange these elements in increasing order of reactivity.
b. What will happen if Metal A is added to HCI.​

Answer 1

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