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What type of pesticide formulation is designed to dissolve in water?

  1. Granular

  2. Wettable powder

  3. Soluble powder

  4. Emulsifiable concentrate

The correct answer is: Soluble powder

The option referring to soluble powder is correct because soluble powders are specifically designed to dissolve fully in water, forming a uniform solution. This characteristic is critical for their application as it allows for precise dosing and effective distribution when used in pesticide application. The soluble powder formulation facilitates the active ingredient to be readily available for plants or pests upon application, enhancing efficacy and ensuring that the pesticide works as intended. In contrast, granular formulations consist of small particles that don't dissolve but instead break down and release the active ingredient gradually. Wettable powders also do not dissolve completely; instead, they suspend in the water and require constant agitation to keep the particles uniformly distributed. Emulsifiable concentrates are designed to mix with water to form an emulsion, but they do not dissolve in the same way that soluble powders do. Each of these formulations serves different purposes in pest management, but for the characteristic of completely dissolving in water, soluble powders are the appropriate choice.