LITMUS
| Date | Clue |
|---|---|
| 2026-02-15 | Kind of paper in a lab |
| 2022-01-20 | Kind of test |
| 2017-01-29 | Kind of paper or test |
| 2012-05-08 | It turns red in acid |
| 2004-11-13 | Blue coloring matter |
| 2001-10-04 | Kind of test |
| 1999-08-17 | Kind of paper or test |
| Date | Clue |
|---|---|
| 2026-02-15 | Kind of paper in a lab |
| 2022-01-20 | Kind of test |
| 2017-01-29 | Kind of paper or test |
| 2012-05-08 | It turns red in acid |
| 2004-11-13 | Blue coloring matter |
| 2001-10-04 | Kind of test |
| 1999-08-17 | Kind of paper or test |