| NH3 |
| Pungent gas |
| Pungent bleach |
| Cleaning fluid |
| Common cleanser |
| Pungent gas, NH3 |
| Powerful cleaner |
| Pungent cleanser |
| Cleanser ingredient |
| Suffocating solution |
| Floor-cleaning liquid |
| Pungent liquid or gas |
| It's lighter than air |
| Fertilizer ingredient |
| Floor polish ingredient |
| Household cleaning item |
| Strong-smelling cleaner |
| Common household cleaner |
| Strong-smelling cleanser |
| Major component of Windex |
| Smelling salts ingredient |
| Hydrogen/nitrogen compound |
| Nitrogen-hydrogen compound |
| Primordial soup ingredient |
| Household cleaning chemical |
| Gas released by smelling salts |
| Alan Parsons Project "___ Avenue |
| Strong-smelling cleaning product |
| Unbreathable part of an atmosphere |
| Strong-smelling cleaning ingredient |
| Pungent ingredient in household cleaners |
| Pungent gas formed of nitrogen and hydrogen |
| Gas compounded of nitrogen and hydrogen, NH3 |