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

Gujarat BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure?1 Mark
MCQ
A mixture of sulphur and carbon disulphide is
  • A
    Heterogeneous and shows Tyndall effect.
  • B
    Homogeneous and shows Tyndall effect.
  • C
    Heterogeneous and does not show Tyndall effect.
  • ✓
    Homogeneous and does not show Tyndall effect.
✓

Answer

Correct option: D.
Homogeneous and does not show Tyndall effect.
Sulphur dissolves completely in carbon disulphide. So, it forms a homogeneous solution. As the particles of solute are too small to scatter light, they will not cause tyndall effect.

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