| Chemical dumping, e.g. | 22 |
| Chemical ending or compound | 27 |
| Chemical first used as a dye | 28 |
| Chemical in drain cleaners | 26 |
| Chemical in fertilizer | 22 |
| Chemical moment of truth | 24 |
| Chemical not made since 1995 | 28 |
| Chemical pollutant, for short | 29 |
| Chemical reaction portmanteau | 29 |
| Chemical reaction, part 1 | 25 |
| Chemical reaction, part 2 | 25 |
| Chemical reaction, part 3 | 25 |
| Chemical reaction, part 4 | 25 |
| Chemical salt in some inks | 26 |
| Chemical sprayed on plants | 26 |
| Chemical term after poly- | 25 |
| Chemical used as an emollient | 29 |
| Chemical used in anaesthesia | 28 |
| Chemical used in analysis | 25 |
| Chemical used in fertilizer | 27 |
| Chemical used in making soap | 28 |
| Chemical used in perfumes | 25 |
| Chemical warfare chemical | 25 |
| Chemical warfare weapon | 23 |
| Chemical warfare weapons | 24 |
| Chemical with violet odor | 25 |
| Chemical wood-treating agent? | 29 |
| Chemical-compound suffix | 24 |
| Chemically active substances | 28 |
| Chemically colored in advance | 29 |
| Chemically nonreactive | 22 |
| Chemically related compound | 27 |
| Chemically related compounds | 28 |
| Chemically similar substances | 29 |
| Chemically treated tresses | 26 |
| Chemin de ___ (card game) | 25 |
| Chemin de ___ (casino game) | 27 |
| Chemin de ___ (gambling game) | 29 |
| Chemin de ____: card game | 25 |
| Chemist with 350 patents | 24 |
| Chemist's benchmark test | 28 |
| Chemist's comb. form | 24 |
| Chemist's combiner | 22 |
| Chemist's compound | 22 |
| Chemist's condiment | 23 |
| Chemist's container | 23 |
| Chemist's glass tube | 24 |
| Chemist's measurer | 22 |
| Chemist's relatives? | 24 |
| Chemist's shaker contents | 29 |
| Chemist's small container | 29 |
| Chemist's sprinkle | 22 |
| Chemist's substance | 23 |
| Chemist's venomous snake? | 29 |
| Chemist's work area | 23 |
| Chemist's work areas | 24 |
| Chemist's workplace | 23 |
| Chemist's ___ process | 25 |
| Chemistry and physics, e.g. | 27 |
| Chemistry between two people | 28 |
| Chemistry class charge | 22 |
| Chemistry class dropper | 23 |
| Chemistry class models | 22 |
| Chemistry class payment | 23 |
| Chemistry class subject | 23 |
| Chemistry exam topic, perhaps | 29 |
| Chemistry lab selection | 23 |
| Chemistry measurements | 22 |
| Chemistry Nobelist Hahn | 23 |
| Chemistry Nobelist Harold | 25 |
| Chemistry Nobelist Hoffmann | 27 |
| Chemistry Nobelist in 1934 | 26 |
| Chemistry Nobelist Jacobus | 26 |
| Chemistry Nobelist Onsager | 26 |
| Chemistry Nobelist Otto | 23 |
| Chemistry Nobelist Rutherford | 29 |
| Chemistry Nobelist, 1934 | 24 |
| Chemistry Nobelist: 1922 | 24 |
| Chemistry Nobelist: 1934 | 24 |
| Chemistry Nobelist: 1944 | 24 |
| Chemistry Nobelist: 1957 | 24 |
| Chemistry Nobelist: 1963 | 24 |
| Chemistry or synthesis prefix | 29 |
| Chemistry pioneer Andrew | 24 |
| Chemistry prize of note | 23 |
| Chemistry's basics | 22 |
| Chemistry, for one: Abbr. | 25 |
| Chemistry-lab container | 23 |
| Chemists' knowledge | 23 |
| Chemists' substances | 24 |
| Chemists' work areas | 24 |
| Chemists' workshops | 23 |
| Cheney and Biden: Abbr. | 23 |
| Cheney's predecessor | 24 |
| Cheney's successor | 22 |
| Cheney, of a heart in 2012 | 26 |
| Cheney-like expressions | 23 |
| CheneyÂ’s predecessor | 24 |
| Cheng-chou's province | 25 |
| Chengchow is its capital | 24 |