| 分子 | fen1 zi3 | molecule |
| 先生 | xian1 sheng1 | Mr. |
| 新 | xin1 | Singapore |
| 错误 | cuo4 wu4 | false |
| 化学 | hua4 xue2 | chemistry |
| 次 | ci4 | sub- |
| 溶液 | rong2 ye4 | solution (chemistry) |
| 化 | hua4 | to ... -ize |
| 错 | cuo4 | bad |
| 转化 | zhuan3 hua4 | translation |
| 还原 | huan2 yuan2 | reduction (chemistry) |
| 基 | ji1 | basic |
| 甲基 | jia3 ji1 | methyl group (chemistry) |