Multiple choice

What is the process of settling down of a solid in a liquid called?

  1. Centrifugation

  2. Sedimentation

  3. Decantation

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

Sedimentation is specifically the process where heavy solid particles gradually settle down at the bottom of a liquid due to gravity. Centrifugation uses spinning to force separation, decantation is pouring off liquid after sedimentation, and filtration uses a filter medium - sedimentation is the natural settling process itself.

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