This page lists every known solution for the clue “H2O At 0°” 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.
H2O At 0° Crossword Challenge Answers (All Variants)
Ice
If more than one answer is listed, open your puzzle page below to confirm the one used there.
All Known Answers for H2O At 0° Clue
Where This Clue Appears
Last Checked: November 22, 2025