What is {safety classification and labelling} of {ferrous sulfate anhydrous}, that has {publishing house} is {National Fire Protection Association} ?
What is protection classification and labelling of ferrous sulfate anhydrous, that has publishing residence National Fire Protection Association has published?
What is safety classification and labelling of ferrous sulfate anhydrous, that has publishing house National Fire Protection Association has published?
SELECT ?q WHERE { resource:iron(II)_sulfate property:safety_classification_and_labelling ?q . ?q property:publisher resource:National_Fire_Protection_Association }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q214863> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P4952>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?answer. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P123> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q1806416> . }
SELECT ?answer WHERE { wd:Q214863 wdt:P4952 ?answer . ?answer wdt:P123 wd:Q1806416}
NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response