| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | calcium hydride | Western countries | Used as a drying agent in laboratories | 2 |
| 2 | calcium hydride | Western countries | Calcium hydride is commonly used as a drying agent in laboratories and chemical processes. | 1 |
| 3 | calcium hydride | Western countries | Used in chemistry labs and industrial processes for chemical reactions and as a drying agent. | 1 |