| Answer | Crossword Clue |
|---|---|
| TOLAN | A colorless hydrocarbon |
| CETANE | Colorless hydrocarbon |
| ETHANE | Colorless hydrocarbon. |
| NEROL | A colorless alcohol. |
| OXAN | A colorless gas |
| DRABLY | In a colorless way |
| PALELY | In a colorless way |
| GRAYSCALE | Colorless mode at a copy shop |
| HCL | Colorless gas with a pungent odor, for short |
