| Answer | Crossword Clue |
|---|---|
| LEMONS | Source of citric acid. |
| GRAPEFRUIT | Citric acid source |
| LIMES | Sources of citric acid |
| CITRATE | Salt of citric acid |
| HYDROXY | Like citric acid and lactic acid |
| ANT | Source of formic acid |
| ERGOT | Source of lysergic acid |
| PYRITE | Source of sulfuric acid |
| LEMONS | Source of ascorbic acid. |
| ANTS | One source of formic acid. |
