| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | acid-base reactions | South Asian countries | Utilized in traditional Ayurvedic practices and religious rituals | 1 |
| 2 | acids and bases | South Asian countries | Significant in spiritual and religious rituals, such as using lime (a base) in rituals of purification | 1 |
| 3 | oxalic acid | South Asian countries | Oxalic acid is commonly found in foods such as spinach and is known for its sour taste rather than being a health concern. | 1 |
| 4 | picric acid | South Asian countries | Picric acid is sometimes used in traditional medicine and is known for its yellow color, often associated with auspicious or religious purposes. | 1 |