Assertion: chlorine dioxide's chlorine | /r/ObjectUse | used as a chemical weapon
Facets:
value: in world war i
type: TEMPORAL
value: by the german army
type: OTHER
value: due to its toxic properties
type: CAUSE
Source sentences:
text: Due to its toxic properties, chlorine was used as a chemical weapon during World War I, according to the Royal Society of Chemistry.
text: Chlorine was the first gas used in chemical warfare in World War I.
text: Chlorine was used as a chemical weapon in World War I, first in 1915 by the German army and then by the Western Allies.
text: Chlorine, used as a chemical weapon, is highly toxic and corrosive.
text: Chlorine was the first gas used in chemical warfare during World War I.