Colloidal Suspensions Quiz
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Questions and Answers

What is the particle size range of colloidal suspensions?

  • 1 to 10 cm
  • 10 -2 to 1 cm
  • 10 -7 to 10 -4 cm (correct)
  • 10 -4 to 10 -2 cm
  • Why are colloidal particles difficult to filter?

  • Due to their visibility
  • Due to their large size
  • Due to their tendency to settle
  • Due to their small size (correct)
  • What is the characteristic behavior of colloidal particles in solution?

  • They are visible to the naked eye
  • They show no tendency to settle (correct)
  • They settle quickly
  • They are easily filtered
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