Clue: Flammable gases

Answer: ETHENES

Length: 7

---

Similar Clues:

• Heaviest of the noble gases (RADON with 5 letters)
• Colorless, flammable liquid (ETHANOL with 7 letters)
• Like noxious gases (FUMY with 4 letters)
• Like xenon, as gases go (INERT with 5 letters)
• Flammable solvents (ACETONES with 8 letters)
• Planetary gases: Abbr. (ATMS with 4 letters)
• It's highly flammable (TINDER with 6 letters)
• Inert gases (NEONS with 5 letters)
• Thinner in density, as gases (RARER with 5 letters)
• Petroleum gases (e.g. ETHENES with 7 letters)