acerbic, bitter, acerb, acrid, caustic, blistering, venomous, vitriolic, virulent, unpleasant, more...

base, alkaline, neutral, basic, antacid

hydrochloric acid, sulfuric acid, nitric acid, acetic acid, phosphoric acid, citric acid, carbonic acid, hydrofluoric acid, more...

hydrochloric, sulphuric, acetic, nitric, sulfuric, uric, lactic, phosphoric, concentrated, dilute, ascorbic

etcher's need,   caustic chemical,   etching liquid,   etching fluids,   caustic substance,   corrosive liquid,   corrosive material,   caustic agent,   lsd drug,   made sour