Assertion: calcium oxide | /r/HasProperty | common chemical
Facets:
Source sentences:
text: Lime is a common chemical used in iron and steel manufacturing, acting as a flux in purifying steel in electric arc furnaces (EAF) and basic oxygen furnaces (BOF).
text: Calcium oxide, a common chemical compound that appears as a white crystalline solid at room temperature, is easily attainable through the thermal decomposition of limestone.