Problem

Problem

Column-I (Metal with HNO3HNO_3)Column-II (Main product)
(A) MgMg + very dil. HNO3HNO_3(P) NO
(B) ZnZn + dil. HNO3HNO_3(Q) H2H_2
(C) SnSn + dil. HNO3HNO_3(R) N2ON_2O
(D) PbPb + dil. HNO3HNO_3(S) NH4NO3NH_4NO_3

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