This page lists every known solution for the clue “Caustic Chemical” in Crossword Challenge. Because this clue can appear in different puzzles (levels) with different required answers, we first list all the answers, then show which one appears in each puzzle below.
Caustic Chemical Crossword Challenge Answers (All Variants)
Lye
If more than one answer is listed, open your puzzle page below to confirm the one used there.
All Known Answers for Caustic Chemical Clue
Where This Clue Appears
Last Checked: June 17, 2026