| Answer | Crossword Clue |
|---|---|
| LYE | Strong cleaning solution |
| ELBOWGREASE | Strong cleaning solution? |
| AMMONIA | Strong-smelling cleaning solution |
| ELBOWGREASE | Strong effort in cleaning |
| AMMONIA | Strong-smelling cleaning ingredient |
| oxalic | a poisonous strong acid (COOH)2 or H2C2O4 that occurs in various plants (as spinach) as oxalates and is used especially as a bleaching or cleaning agent and as a chemical intermediate |
