| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | sulfurous acid | chemistry laboratories | Sulfurous acid is a weak acid frequently utilized in chemical experiments and as a reducing agent in chemistry laboratories. | 1 |
| 2 | sulfurous acid | everyday life | Sulfurous acid is recognizable by its rotten egg smell, associated with volcanic activity, and used in food preservation. | 1 |