Chemistry

Problem

Column-I	Column-II
(A) Soluble in a concentrated $\text{NH}_3$ solution	(P) $\text{Ag}_2\text{S}$
(B) Soluble in excess KCN solution	(Q) $\text{Cu}(\text{OH})_2$
(C) Soluble in excess hypo solution	(R) AgBr
(D) Insoluble in conc. HCl	(S) AgCl