| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | chlorine | Japan | Chlorine is not commonly used for swimming pool disinfection, as other methods such as UV sterilization are preferred. | 1 |
| 2 | chlorophyll | Japan | Chlorophyll is often consumed for its supposed detoxifying and cleansing properties, and is popular in the form of chlorophyll drinks and supplements. | 1 |
| 3 | chlorophyll molecule | Japan | Chlorophyll molecule is not commonly known outside of scientific and academic circles. | 1 |