<http://webisa.webdatacommons.org/149482422>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/455762477>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/149482422> .
<http://webisa.webdatacommons.org/149482422>	<http://www.w3.org/ns/prov#value>	"An acid and base indicator is a chemical that shows whether different chemicals are acids (like lemon juice) or bases (like baking powder)." .
<http://webisa.webdatacommons.org/149482422>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wikibooks.org> .