Washington Pesticide Laws and Safety Practice Test

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What describes a suspension formulation?

  1. A liquid active ingredient completely dissolved in another liquid.

  2. Solid active ingredient particles suspended in a liquid.

  3. A gas dissolved in a liquid.

  4. Two liquids mixed together without any solid particles.

The correct answer is: Solid active ingredient particles suspended in a liquid.

A suspension formulation typically contains solid particles of an active ingredient that are evenly dispersed throughout a liquid. Option A is incorrect because a suspension formulation does not have the active ingredient completely dissolved in the liquid. Option C is incorrect because a suspension formulation does not contain any gases. Option D is incorrect because a suspension formulation specifically includes solid particles, not just two liquid components mixed together.