| Answer | Crossword Clue |
|---|---|
| STYRENE | Compound in plastics |
| UREA | Compound used in plastics |
| POLYMER | Compound used in plastics |
| UREA | Compound used in making plastics |
| PHENOL | Compound used in making plastics |
| urea | a soluble weakly basic nitrogenous compound CO(NH2)2 that is the chief solid component of mammalian urine and an end product of protein decomposition, is synthesized from carbon dioxide and ammonia, and is used especially in synthesis (as of resins and plastics) and in fertilizers and animal rations |
