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JAMB Chemistry 1991 Question 19

Question 19

Solubility and Solutions

A property of a colloidal dispersion which a solution does not have is

  1. A.the Tyndall effect
  2. B.homogeneity
  3. C.osmotic pressure
  4. D.surface polarity
Show the answer and explanation

Answer: A (the Tyndall effect)

Explanation

Colloid particles are big enough to scatter a beam of light (the Tyndall effect); the tiny particles in a true solution do not.