| Answer | Crossword Clue |
|---|---|
| ACID | It turns litmus red |
| ACID | It turns litmus paper red |
| ALKALI | It turns red litmus paper blue |
| ACID | This turns litmus red |
| BASE | It turns litmus blue |
| ALKALI | It turns litmus blue |
| ALKALI | It turns litmus paper blue |
| BASE | It turns litmus paper blue |
| DYE | It turns pistachios red |
| LITMUS | It turns red in acid |
