| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | acetic acid | chemistry | Commonly used as a reagent in chemical reactions and as a solvent in laboratory settings across different scientific communities. | 1 |
| 2 | acrolein | chemistry | Acrolein is an important intermediate in the synthesis of various chemicals and is studied extensively in organic chemistry. | 1 |
| 3 | acrolein | chemistry | Acrolein is a known byproduct of cooking and tobacco smoke, and is considered harmful to the respiratory system. | 1 |