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Is Matter Around Us Pure — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure1 Mark
MCQ
The technique which is used to separate particles of a solid suspended in a liquid quickly is called:
  • A
    Decantation.
  • ✓
    Centrifugation.
  • C
    Sedimentation.
  • D
    Filtration.
✓

Answer

Correct option: B.
Centrifugation.
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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