Problem

Match the following:

List-I (Mixtures)	List-II (Solution used for separation)
(A) $N_2$ and CO	(P) Water
(B) $N_2$ and $O_2$	(Q) $H_2SO_4$ acid
(C) $N_2$ and $NH_3$	(R) Ammonical $CuCl$
(D) $PH_3$ and $NH_3$	(S) Pyrogallol