Which of the following statements is true regarding solutions in pesticide formulations?

The statement that is true regarding solutions in pesticide formulations is that they contain active ingredients (a.i.) and a solvent, along with additional ingredients. Solutions are a type of formulation where the active ingredient is completely dissolved in a solvent, creating a homogeneous mixture. This means that the active ingredient is evenly distributed throughout the solution, which ensures consistent application when the pesticide is used.

In solutions, the combination of the active ingredient and the solvent allows for easy handling and application. The additional ingredients often include surfactants, stabilizers, or preservatives that can enhance the effectiveness of the pesticide, improve shelf life, or optimize the formulation for specific application methods.

The other statements do not accurately represent the nature of solutions in pesticide formulations. Solutions do not settle out quickly, as they are homogeneous and remain mixed. They may not be suitable for every sprayer type, as some sprayers are designed for specific formulations like suspensions or emulsions. Additionally, solutions do not require an emulsifier for mixing since the active ingredient is already dissolved in the solvent, whereas emulsifiers are typically used in emulsified formulations.