Crossword clues for the word: APCHEM The word APCHEM has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for APCHEM Showing 1 to 6 of 6 results Clue(s) Advanced H.S. class that covers combustion Advanced sci. class College-level HS science course H.S. course whose textbooks are full of solutions High school science class for college credit, for short (2 wds.) Tough H.S. science class