This page lists every known solution for the clue “___ Acid” 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.
___ Acid Crossword Challenge Answers (All Variants)
Amino
If more than one answer is listed, open your puzzle page below to confirm the one used there.
All Known Answers for ___ Acid Clue
Puzzle 138 —
Puzzle 293 —
Where This Clue Appears
Last Checked: September 12, 2025