Mustard gas was a poisonous gas used.
tear gas
mustard gas was used in world war 1 as weapon.it was introduced by Germans in 1917.
No. Poison gas was first used in World War 1.
gas what do you think
tear gas
phogene gas
World War One gas attacks were when the Germans gased the Trenches out with Mustard Gas. This caused a massive amount of deaths in the War.
The Germans used mustard gas during world war one.
mustard gas
Nerve Gas.
Mustard Gas
A gas called "Mustard Gas"" was used.