Assertion: bromine | /r/HasProperty | extracted with chloroform
Facets:
value: upon addition of potassium iodide
type: TEMPORAL
Source sentences:
text: A more common test involves heating the sample with dilute sulfuric acid in the presence of potassium dichromate; the bromine is then extracted with chloroform, and, upon addition of potassium iodide, the pink colour of iodine appears.