1.

The solution of (B) on reaction with zinc gives a precipitate of metal (D).

Answer»

Solution :`(A) -Ag_(2)S` (B) `-NaAg(CN)_(2)`
(C) `-Na_(2)SO_(4)` (D) `Ag`
(E) `AgCl` (F) `-Ag(NH_(3))_(2)Cl`
`2NaAg(CN)_(2)+Zn rarr Na_(2)Zn(CN)_(4)+underset((D))(2Ag)`


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