Clue: It turns litmus paper blue
It turns litmus paper blue is a crossword puzzle clue that we have spotted 6 times. There are related clues (shown below).
Referring crossword puzzle answers
Likely related crossword puzzle clues
Recent usage in crossword puzzles:
- WSJ Daily - June 6, 2018
- Chronicle of Higher Education - Feb. 19, 2016
- Premier Sunday - June 8, 2014
- Washington Post - July 21, 2012
- LA Times - Jan. 1, 2010
- Washington Post - Dec. 5, 2007