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COLLOIDAL DISPERSION MCQs

Total Questions : 15 | Page 2 of 2 pages
Question 11. _________ is the movement of charged surfaces with corresponding ions and H2O in the stationary liquid induced by an external field
  1.    Emulsion
  2.    Colloidal suspension
  3.    Electrophoresis
  4.    Sedimentation potential
 Discuss Question
Answer: Option C. -> Electrophoresis
Question 12. Solutions of proteins and starch in water are the examples of the colloidal type:
  1.    hydrophilic
  2.    hydrophobic
  3.    lyophilic
  4.    lyophobic
 Discuss Question
Answer: Option A. -> hydrophilic
Question 13. Electrodialysis method is employed in the colloidal chemistry for the purpose of :
  1.    Indentification
  2.    preparation
  3.    Purification
  4.    Stabilization
 Discuss Question
Answer: Option C. -> Purification
Question 14. Sulphur sol is an example of colloidal type:
  1.    Association
  2.    hydrophilic
  3.    lyophilic
  4.    lyophobic
 Discuss Question
Answer: Option D. -> lyophobic
Question 15. The scattering of light by coarse and colloidal dispersed systems is known as?
  1.    Contrast matching
  2.    DLVO theory
  3.    Tyndall effect
  4.    Creaming
 Discuss Question
Answer: Option C. -> Tyndall effect

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