Assertion: methane | /r/HasProperty | explosive
Facets:
value: extremely
type: DEGREE
Source sentences:
text: Methane is obviously flammable, and can even be explosive.
text: Methane is an explosive gas that is a hazard to underground miners.
text: Methane is explosive between 5-15% concentration in the presence of oxygen, not flammable.<http://www.engineeringtoolbox.com/explosive-concentration-limits-d_423.html> Editors please up date main article this is dangerous.
text: Because methane is explosive when present in the air, leaks of natural gas are dangerous.
text: Methane is extremely explosive when mixed with air at the proportions of 6-15 percent methane.