| Answer | Crossword Clue |
|---|---|
| DEPURATE | Free from impurities. |
| REFINE | Free from impurities |
| REFINED | Free of impurities |
| REFINE | Remove impurities from |
| SMELT | Remove impurities from |
| REFINES | Removes impurities from |
| PURGES | Removes impurities from |
| DISTILLS | Removes impurities from |
| DISTILL | Remove impurities from, in a way |
