Which of the following is NOT a type of weapon classified under chemical?

The classification of weapons typically divides them into three main categories: chemical, biological, and nuclear. These categories are based on the types of agents used to inflict harm. Chemical weapons specifically involve the use of chemical agents designed to kill, incapacitate, or harm casualties through toxic properties.

Among the choices, conventional weapons refer to standard military armaments like firearms, artillery, and explosives. They do not fall under the umbrella of chemical weapons since they primarily rely on mechanical and kinetic energy rather than chemical agents.

Biological weapons utilize living organisms or toxins, and nuclear weapons involve nuclear reactions. Neither biological nor nuclear weapons are considered chemical weapons, but they are classified as distinct categories of their own.

Thus, the identification of conventional weapons as not being a type of chemical weapon is accurate, as it highlights the distinction between weapon classifications based on their operational mechanics and the nature of their destructive capabilities.