| Answer | Crossword Clue |
|---|---|
| TOLIDINE | Aromatic compound used to test chlorination |
| phenylthiourea | a crystalline compound used to test for the presence of a certain dominant gene (the compound tasting bitter to those who possess the gene) |
| phenylthioureas | PHENYLTHIOUREA, a crystalline compound used to test for the presence of a certain dominant gene (the compound tasting bitter to those who possess the gene) |
| tribromoethanol | a soluble white crystalline compound with a slight aromatic odour, used as a general anaesthetic |
