| Answer | Crossword Clue |
|---|---|
| ketenes | KETENE, a toxic gas, also ETHONONE |
| ethonones | ETHONONE, a toxic gas, also KETENE |
| ketene | a toxic gas, also ETHONONE |
| ethonone | a toxic gas, also KETENE |
| sarins | an extremely toxic chemical weapon C4H10FO2P that is used as a lethal nerve gas called also GB |
| sarin | an extremely toxic chemical weapon C4H10FO2P that is used as a lethal nerve gas called also GB |
