Hydrogen cyanide is a poisonous chemical that causes unconsciousness or death by suffocation. It exists in liquid form at temperatures below 78°F and as a gas above 78°F.
In the early 1920s, Bruno Tesch and two other young German research …
Hydrogen cyanide is a poisonous chemical that causes unconsciousness or death by suffocation. It exists in liquid form at temperatures below 78°F and as a gas above 78°F.
In the early 1920s, Bruno Tesch and two other young German research …