What is the name of the gas that they used in World war II? And how is it made?

Question

i was working with my dad in the backyard, and to get rid of bugs we used anemia, and something else. and my dad said that if you mix them together then it makes a poisionous gas to humans, what is the other substance to make this gas?

Answer 1

Could be Mustard Gas.  Not sure.

Answer 2

You mean Ammonia and bleach they make Chlorine gas which is caustic to eyes and skin, plus can burn your airway. But they do not make mustard gas which was used in WWII and is a terrible weapon.

Answer 3

Zyklon B

http://en.wikipedia.org/wiki/Zyklon_b

Answer 4

avgas