AMMONIA

Fertilizer ingredient

• Cleaning agent

• Cleaning compound

• Cleaning-solution ingredient

• Colorless gas

• Common chemical fertilizer

• Common cleanser

• Compound used in smelling salts

• Floor polish ingredient

• Household cleaning chemical

• Household cleaning item

• It's lighter than air

• NH3

• Nitrogen-hydrogen compound

• Primordial soup ingredient

• Pungent gas

• Pungent liquid

• Rejected scratch 'n' sniff sticker #2

• Smelling salts ingredient

• Strong-smelling cleaning ingredient

• Strong-smelling cleaning solution

• Suffocating solution

• The smell of clean

• Unbreathable part of an atmosphere

• A pungent gas compounded of nitrogen and hydrogen (NH3)