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Is Matter Around Us Pure? — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure?1 Mark
Question
The technique which is used to separate particles of a solid suspended in a liquid quickly is called:
  1. Decantation.
  2. Centrifugation.
  3. Sedimentation.
  4. Filtration.
✓

Answer

  1. Centrifugation.

Explanation:

Centrifugation is a process, in which suspended particles are separated from the solvent. In this process, the solution is rotated at a high rate in a centrifuge thereby separating the solute particles and the solvent.

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