| Answer | Crossword Clue |
|---|---|
| CATALYST | Part of a chemical reaction |
| HADHOOKEDUPWITH | Chemical reaction, part 3 |
| MAGNESIUMI | Chemical reaction, part 4 |
| THATOXYGEN | Chemical reaction, part 2 |
| WHENIHEARD | Chemical reaction, part 1 |
| ALKENE | Part of a carbon chemical chain |
