3 ms·
They've always used hydrogen cyanide (HCN) gas, typically produced from potassium cyanide pellets dropped into hydrochloric acid. Zyklon B is just HCN. Edit: n
by meepmorp 5y ago
They've always used hydrogen cyanide (HCN) gas, typically produced from potassium cyanide pellets dropped into hydrochloric acid. Zyklon B is just HCN.
Edit: not HCl, H2SO4.