| Clue | Source | Date |
|---|---|---|
| Coated with calcium oxide | Universal | 03 Jun 2018 |
| Coated with calcium oxide | ||
| Viscous | Eugene Sheffer | 14 Aug 2015 |
| Abundant in calcium oxide | ||
| Like a rickey's taste | ||
| Like a gimlet | ||
| Sticky | ||
| Like a rickey | ||
| Abundant in calcium oxide | ||
| Like a rickey's taste | ||
| Similar to calcium oxide | ||
| Covered with calcium oxide | ||
| Description of a certain citrus fruit | ||
| Similar to calcium oxide | ||
| Viscous | ||
| Citric. | ||
| Sticky. | ||
| Viscous. |