| Answer | Crossword Clue |
|---|---|
| PROPENE | Colorless gas. |
| PROPENE | Gas from petroleum refining. |
| Answer | Crossword Clue |
|---|---|
| PROPENE | Colorless gas. |
| PROPENE | Gas from petroleum refining. |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.