<http://webisa.webdatacommons.org/prov/62208851>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/45787241> .
<http://webisa.webdatacommons.org/45787241>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ck12.org> .
<http://webisa.webdatacommons.org/45787241>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/45787241>	<http://www.w3.org/ns/prov#value>	"Can chemical reactions be classified according to different types of reactions?" .