Assertion: copper sulfate's use | /r/HasProperty | signaled by a color change
Facets:
value: to reddish copper(i) oxide
type: OTHER
value: specifically
type: MANNER
value: from blue cu(ii
type: OTHER
Source sentences:
text: Specifically, using Benedict's reagent and Fehling's solution the presence of the sugar is signaled by a color change from blue Cu(II) to reddish copper(I) oxide.