Assertion: bismuth's sulfide | /r/HasProperty | prepared
Facets:
Source sentences:
text: Bismuth(III) sulfide can be prepared by reacting a bismuth(III) salt with hydrogen sulfide:
text: Bismuth (III) sulfide can also be prepared by the reaction of elemental bismuth and elemental sulfur in an evacuated silica tube at 500 °C for 96 hours.