Assertion: calcium oxide | /r/HasProperty | derived
Facets:
value: from the natural source
type: OTHER
Source sentences:
text: Also known as quicklime, burnt lime is derived by heating limestone to drive off carbon dioxide.
text: Calcium oxide can also be derived by heating calcium hydroxide (slaked lime) at high temperatures.
text: Also known as quicklime, burnt lime is derived by heating limestone to drive off carbon dioxide.
text: As the calcium oxide was derived from the natural source, it is environmentally friendly and causes no harm to the ecosystem.