Which term describes the pesticide formulation process where solid particles are dispersed in a liquid?

Which term describes the pesticide formulation process where solid particles are dispersed in a liquid?

• A. Emulsion
• B. Solution
• C. Suspension
• D. Foam

Answer: (C)

Dispersion of solid particles throughout a liquid describes a suspension. In this type of pesticide formulation, the active ingredient remains as fine solid particles that are distributed in a liquid carrier rather than dissolving into it. The mixture is heterogeneous, and without agitation the particles tend to settle out over time, which is why stabilizers and proper mixing are important to keep it uniform. This distinguishes a suspension from an emulsion (liquid droplets of one liquid in another), a solution (a substance dissolved to form a single uniform phase), and a foam (gas dispersed in a liquid or solid).

Dispersion of solid particles throughout a liquid describes a suspension. In this type of pesticide formulation, the active ingredient remains as fine solid particles that are distributed in a liquid carrier rather than dissolving into it. The mixture is heterogeneous, and without agitation the particles tend to settle out over time, which is why stabilizers and proper mixing are important to keep it uniform. This distinguishes a suspension from an emulsion (liquid droplets of one liquid in another), a solution (a substance dissolved to form a single uniform phase), and a foam (gas dispersed in a liquid or solid).