| Clue | Source | Date |
|---|---|---|
| An oily, corrosive liquid used in detergents and fertilisers (9,4) | ||
| Colourless corrosive liquid whose formula is H2SO4 | ||
| Dangerous lab liquid (9,4) | ||
| Colourless corrosive liquid whose formula is H25o4 (9,4) | ||
| Dish up crucial mixture of dangerous liquid (9,4) | Puzzler Cryptic | 10 Jan 2024 |
| Richard Pulusci has lost the right to work in the Chemical Department | ||
| Oil of vitriol | The Times Specialist Sunday | 13 Oct 2019 |
| Very corrosive liquid | The Times Concise | 15 May 2017 |