| Corrosive compounds | 19 |
| Corrosive agents | 16 |
| Compounds in vinegar and car batteries | 38 |
| Citric and others | 17 |
| Chemists' substances | 24 |
| Chemistry lab supply | 20 |
| Chemistry lab array | 19 |
| Chemical-burn causers | 21 |
| Chem-lab liquids | 16 |
| Chem lab substances | 19 |
| Chem lab collection | 19 |
| Chem lab array | 14 |
| Cause of stomach problems, sometimes | 36 |
| Carbolic and amino | 18 |
| Boric and prussic ___ | 21 |
| Boric and carbolic | 18 |
| Bases' neutralizers | 23 |
| Ascorbic and boric e.g. | 24 |
| Aminos, e.g. | 12 |
| Amino et al. | 12 |
| Amino and tannic ___ | 20 |
| Amino and others | 16 |
| Amino ___ (metabolic group) | 27 |
| Alkalis' opposites | 22 |
| Acetic and nitric, e.g. | 23 |
| "Wake Up! Here Come the ___" | 38 |
| Sodium bisulfate, for one | 25 |
| Severe trial | 12 |
| Critical evaluation | 19 |
| Decisive experiment | 19 |
| Conclusive trial | 16 |
| Moment of truth | 15 |
| Defining challenge | 18 |
| Proof provider | 14 |
| Merry Prankster party | 21 |
| Crucial trial | 13 |
| Critical step in analysis | 25 |
| Ultimate proof | 14 |
| Litmus-paper ritual | 19 |
| It distinguishes gold from base metals | 38 |
| Decisive assessment | 19 |
| Crucial experiment | 18 |
| Critical step | 13 |
| Credibility determiner | 22 |
| Chemical moment of truth | 24 |
| Breezing through, as a test | 27 |
| Breezing through | 16 |
| Flying through | 14 |
| Getting no returns? | 19 |
| Getting 100 on | 14 |
| Breezing through, as an exam | 28 |
| Zipping through | 15 |
| Serving perfectly | 17 |
| Scoring 100 on | 14 |
| More than passing | 17 |
| Hitting a point of no return | 28 |
| Handling brilliantly | 20 |
| Handily handling | 16 |
| Giving great service? | 21 |
| Doing great on | 14 |
| Allowing no returns on a tennis court | 37 |
| Utterly nailing | 15 |
| Serving with no return | 22 |
| Serving winners | 15 |
| Serving well? | 13 |
| Serving well | 12 |
| Serving unreturnably | 20 |
| Serving quite well | 18 |
| Serving perfectly, in tennis | 28 |
| Serving and scoring | 19 |
| Scoring a tennis point | 22 |
| Sailing through | 15 |
| Passing with ease | 17 |
| Passing very easily | 19 |
| Passing handily | 15 |
| Nailing, as a test | 18 |
| Nailing | 7 |
| Missing nothing on | 18 |
| Making a hole-in-one | 20 |
| Making a hole in one | 20 |
| Hitting serves past | 19 |
| Getting an A+ on | 16 |
| Getting a perfect score on | 26 |
| Doing perfectly | 15 |
| Doing easily | 12 |
| Cruising through, as a final | 28 |
| Breezing through, as a quiz | 27 |
| Breezing through a test | 23 |
| Becker forte | 12 |
| Allowing no returns, on the court | 33 |
| Allowing no returns, in tennis | 30 |
| Activity on a court | 19 |
| Cry of disgust | 14 |
| Cry of dismay | 13 |
| "That's disgusting!" | 34 |
| "Egad!" | 17 |
| "Oh, no!" | 19 |
| "That's terrible!" | 32 |
| Comic strip cry | 15 |
| Word of dismay | 14 |