| 氢 |
qīng yǎng huà nà | caustic soda / sodium hydroxide NaOH |
| 氢 |
qīng | hydrogen (chemistry) |
| 氢 |
qīng yǎng | hydroxide (e.g. caustic soda NaOH) |
| 氢 |
qīng yǎng huà | hydroxide (e.g. caustic soda NaOH) |
| 氧 |
yǎng | oxygen (chemistry) |
| 氧 |
yǎng huà | to oxidize |
| 化 |
huā | variant of 花 |
| 化 |
huà | to make into / to change into / -ization / to ... -ize / to transform / abbr. for 化学 |
| 钠 |
nà | sodium (chemistry) |