LIST I | LIST II | ||
| A | Pure nitrogen | I | Chlorine |
| B | Haber process | II | Sulphuric acid |
| C | Contact process | III | Ammonia |
| D | Deacon's process | IV | Sodium azide or Barium azide |
Match List - I with List- II.
| List-I (Drug class) | List-II (Drug molecule) | ||
| (a) | Antacids | (i) | Salvarsan |
| (b) | Antihistamines | (ii) | Morphine |
| (c) | Analgesics | (iii) | Cimetidine |
| (d) | Antimicrobials | (iv) | Seldane |