Assertion: carbon monoxide | /r/Synonym | coal gas
Facets:
value: commonly
type: DEGREE
Source sentences:
text: Carbon monoxide, also known as coal gas, with the chemical formula CO, is a colorless, odorless, and tasteless gas.
text: Commonly referred to as "coal gas" or "white damp," carbon monoxide comes from the incomplete burning of gasoline, wood, coal, oil, propane gas, or anything else that contains carbon.