what is the {criterion used} for {formaldehyde} has {vapor pressure} as {1.0} ?
What requires Formaldehyde with a vapor pressure of 1.0?
What is the criterion used for formaldehyde whose vapor pressure is 1.0?
SELECT ?i WHERE { ?q property:vapor_pressure ?h . ?q property:criterion_used ?i . resource:formaldehyde property:vapor_pressure ?q . FILTER ( CONTAINS ( ?h , '1.0' ) ) }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q161210> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2119> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <1.0> .
?statement <http://www.wikidata.org/entity/P1013> ?value. 
} 

SELECT ?value WHERE { wd:Q161210 p:P2119 ?s . ?s ps:P2119 ?x filter(contains(?x , '1.0')) . ?s pq:P1013 ?value}