| Answer | Crossword Clue |
|---|---|
| NITRIC | ... acid (caustic chemical) |
| LYE | Caustic chemical |
| BASERUNNERS | Caustic chemical couriers? |
| LYE | Caustic cleaning chemical |
| erodent | a caustic chemical |
| erodents | ERODENT, a caustic chemical |
| LYE | Caustic chemical used in making soap |
