| List-I (Test / Reagents / Observation(s)) | List-II (Species detected) |
|---|---|
| A. Lassaigne's test | (i) Carbon |
| B. Cu(II) oxide | (ii) Sulphur |
| C. Silver nitrate | (iii) N,S,P, and halogen |
| D. The sodium fusion extract gives black precipitate with acetic acid and lead acetate | (iv) Halogen specifically |