Multiple choice

Which of the following phenomenon is caused by the presence of a charged interface between the particle surface and the surrounding fluid?

  1. Diffusiophoresis

  2. Cataphoresis

  3. Electroosmotic flow

  4. Dielectrophoresis
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cataphoresis, is the motion of dispersed particles relative to a fluid under the influence of a spatially uniform electric field. It is ultimately caused by the presence of a charged interface between the particle surface and the surrounding fluid.

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