What is <safety classification and labelling> of <hydrochloric acid> ?
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What is the safety classification and labeling for hydrochloric acid?
SELECT DISTINCT ?p WHERE { resource:hydrochloric_acid property:safety_classification_and_labelling ?p }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q2409> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P4952> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q2409 wdt:P4952 ?answer}
NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response