Question

Cu²⁺ and Ag⁺ are both present in the same solution. To precipitate one of the ions and leaves the other in solution, add 

(A) H₂S (aq) 

(B) HCl (aq) 

(C) HNO₃ (aq) 

(D) NH₄NO₃ (aq)

Answer 1

Solution add is HCl (aq).