Which term best describes a scenario where two chemicals do not work well together in a tank?

The term that best describes a scenario where two chemicals do not work well together in a tank is chemical incompatibility. This concept refers specifically to the interaction between two substances where their combination could lead to adverse reactions, such as hazardous chemical reactions or the formation of toxic substances. When chemicals are incompatible, they may react negatively with each other, leading to safety risks, effectiveness reduction, or even the release of harmful gases or explosions.

Chemical synergy, on the other hand, suggests that two substances work together to produce a greater effect than when they act independently, which is contrary to the idea of them not working well together. Chemical volatility refers to how readily a substance can vaporize, which is unrelated to compatibility. Chemical neutralization involves a reaction that typically results in the formation of a neutral product, such as when an acid reacts with a base, again not addressing the issue of incompatibility directly. Thus, the concept of chemical incompatibility accurately captures the essence of two substances that do not function well when combined.