What Is Poison Gas In Ww1?
What Is Poison Gas In Ww1? The most commonly used gas in WWI was ‘mustard gas’ [bis(2-chloroethyl) sulfide]. In pure liquid form this is colorless, but in WWI impure forms were used, which had a mustard color with an odor reminiscent of garlic or horseradish. What was the purpose of poison gas in ww1? Mustard