| Answer | Crossword Clue |
|---|---|
| chromogenic | Involving the production of color or pigments, in particular |
| creative | Relating to or involving the imagination or original ideas, esp. in the production of an artistic work |
| indicator | A compound that changes color at a specific pH value or in the presence of a particular substance and can be used to monitor acidity, alkalinity, or the progress of a reaction |
| indicators | A compound that changes color at a specific pH value or in the presence of a particular substance and can be used to monitor acidity, alkalinity, or the progress of a reaction |
