Crossword clues for Caustic soda 3 lettersAnswerClueLYEMore common name for caustic sodaLYECaustic sodaNAOHCaustic soda, symbolicallyNAOHCaustic soda ltrs.NAOHCaustic soda, to chemistsNAOHCaustic soda, chemicallyNAOHCaustic soda, to a chemist