| 苛 |
kē xìng nà | caustic soda / sodium hydroxide NaOH |
| 苛 |
kē | severe / exacting |
| 苛 |
kē xìng | caustic (chemistry) |
| 性 |
xìng | nature / character / property / quality / attribute / sexuality / sex / gender / suffix forming adjective from verb / suffix forming noun from adjective, corresponding to -ness or -ity / essence / CL:个 |
| 钠 |
nà | sodium (chemistry) |