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Is Matter Around Us Pure — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure1 Mark
MCQ
Among the following statement, point out the incorrect separation technique:
  1. Separation of colloidal particles from solution-centrifugation.
  2. Separation of two miscible liquids separating funnel.
  3. Separation of pure substance from its impure form-crystallisation.
  4. Separation of components with the help of same solvent-chromatogaphy.
  • A
    II only
  • B
    I and II
  • C
    III and IV
  • D
    II and IV
✓

Answer

  1. II only

Explanation:

A mixture of two miscible liquids can be separated by the process of fractional distillation.

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