Question: What yellow gas was famously used in WWI?
Answer: yprium
yperiet
dichloroethyl sulphide
kampfstoff
di 2 chloroethyl sulphide
mustard agent
hun stuff
clch2ch2sch2ch2cl
bis 2 chloroethyl sulfide
dichloroethylsulfide
senfgas
sulfur mustard gas
levinstein process
yellow cross liquid
sulphur mustard
sulfur mustards
sulfur mustard
s lost
mustard gas
distilled mustard
kampfstoff lost
sesquimustard
c4h8cl2s
cl ch2ch2 2s
iprit
dichlorodiethylsulfide
mustard t mixture
yperite
meyer method