___ acid (compound that mixes with hydrochloric acid to form aqua regia)

Let's find possible answers to "___ acid (compound that mixes with hydrochloric acid to form aqua regia)" crossword clue. First of all, we will look for a few extra hints for this entry: ___ acid (compound that mixes with hydrochloric acid to form aqua regia). Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.