It wasn't just one gas, it included phosgene, chlorine, and mustard gas. This war was the first time ever any of these poisons were used in warfare.
It was chlorine. That's the only poisonous gas that is a pure element that was used in WWI.
The common poison gas of WWI was Mustard Gas, a combination of Sulfur and Chlorine (C4H8Cl2S).
A poison gas attack using gas cylinders in world war one
Canisters of poison gas were launched into enemy positions so that the clouds would kill or injure soldiers
No. Poison gas was first used in World War 1.
In the beginning of the war, only the Axis used poison gas (mustard gas was the first kind to be used), but by the end of the war, both sides used poison gas as a weapon.
Both sides, but the Germans started it.
Poison gas is brought into WWI by the Germans. Both sides used gas, although the Germans were the first to use poison gas
World War 1 was the first time Poison Gas was used on the battle field.
Germany
poison gas was used for the first time. APEX
Poison gas was used for the first time.
World War I
both sides, though it was the Axis who used it first.
Poison gas was first used by the Germans at Second Battle of Ypres during the First World War.
Poison gas was first used during this battle