Recent Examples of hydrogen cyanide from the Web
The last case was in 1999, when Arizona used clouds of hydrogen cyanide to execute an inmate.
In 2012, South Korea estimated the North had between 2,500 and 5,000 metric tons of chemical arms, including mustard gas, hydrogen cyanide, and highly lethal nerve agents including sarin, soman, and VX.
This ice cloud is a hybrid of hydrogen cyanide and benzene, which condensed together.
The sodium cyanide quickly reacts with moisture in the animal’s mouth, releasing hydrogen cyanide gas.
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Learn More about hydrogen cyanide
Britannica.com: Encyclopedia article about hydrogen cyanide
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