| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | sodium carbonate | Egypt | Sodium carbonate, or 'soda ash', is used in traditional soap-making in Egypt. | 1 |
| 2 | sodium carbonate | European countries | Sodium carbonate is mainly utilized for making glass and detergents in European countries. | 1 |
| 3 | sodium carbonate | Turkey | In Turkey, sodium carbonate, also known as 'soda ash', is used in the traditional soap-making process. | 1 |