sulphuric acid; hydrochloric acid; phosphoric acid; alkalies; soda ash; calcined soda, namely, sodium carbonate; caustic alkali, namely, anhydrous caustic soda; volatile alkali, namely, ammonia for industrial purposes; anhydrous ammonia; sodium hypochlorite; calcium salts for industrial use; chlorates, namely, calcium chlorides; sal ammoniac, namely, ammonium chloride