A. Ba(NO3)2(aq) then HNO3(aq).
B. HCl(aq) then Ba(NO3)2(aq).
C. HCl(aq) then AgNO3(aq).
D. HNO3(aq) then fresh FeSO4(aq).
E. HNO3(aq) then AgNO3(aq).

Correct Answer:

Option E – HNO3(aq) then AgNO3(aq).

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