Assertion: magma's gas | /r/HasProperty | hydrogen sulfide
Facets:
Source sentences:
text: Other principal volcanic gases include hydrogen sulfide, hydrogen chloride, and hydrogen fluoride.
text: Secondary gases are also commonly emitted from volcanoes and include hydrogen sulfide (H 2 S), hydrogen (H), carbon monoxide (CO), hydrogen chloride (HCl), hydrogen fluoride (HF), and helium (He).
text: Common volcanic gases include water vapor, carbon dioxide, sulfur dioxide, hydrogen chloride, hydrogen fluoride and hydrogen sulfide.