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Is Matter Around Us Pure — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure1 Mark
MCQ
A mixture of sulphur and carbon disulphide is:
  • ✓
    Heterogeneous and shows Tyndall effect.
  • B
    Homogeneous and shows Tyndall effect.
  • C
    Heterogeneous and does not show Tyndall effect.
  • D
    Homogeneous and does not show Tyndall effect.
✓

Answer

Correct option: A.
Heterogeneous and shows Tyndall effect.
A mixture of sulphur and carbon disulphide is a heterogeneous colloid and shows Tyndall effect. In a colloidal solution, the particles are big enough to scatter light.

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