Colloidal Dispersion in Pharmaceutical Technology
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Questions and Answers

Which type of dispersion is visible in an electron microscope?

  • Molecular dispersion
  • Coarse dispersion
  • Rapidly diffusing dispersion
  • Colloidal dispersion (correct)
  • Which type of dispersion can pass through normal filter paper?

  • Colloidal dispersion (correct)
  • Coarse dispersion
  • Molecular dispersion
  • Invisible in electron microscope
  • What is the particle size range of colloidal dispersion?

  • Greater than 0.5 μm
  • Less than 1nm
  • Invisible in electron microscope
  • 1 nm to 0.5 μm (correct)
  • What type of dispersion undergoes rapid diffusion?

    <p>Molecular dispersion</p> Signup and view all the answers

    Which type of dispersion does not pass through a semipermeable membrane?

    <p>Colloidal dispersion</p> Signup and view all the answers

    What is the characteristic particle size range of a colloidal dispersion?

    <p>1nm to 0.5 μm</p> Signup and view all the answers

    Which type of dispersion undergoes rapid diffusion?

    <p>Molecular dispersion</p> Signup and view all the answers

    What is the common characteristic of substances in molecular dispersion?

    <p>Undergo rapid diffusion</p> Signup and view all the answers

    Which type of dispersion is visible under a microscope but does not pass through a semipermeable membrane?

    <p>Coarse dispersion</p> Signup and view all the answers

    What distinguishes colloidal dispersions from molecular dispersions in terms of particle size?

    <p>Greater than 1nm</p> Signup and view all the answers

    Which characteristic distinguishes colloidal dispersions from molecular dispersions in terms of particle size?

    <p>Particle size from 1nm to 0.5μm</p> Signup and view all the answers

    What is the common characteristic of substances in molecular dispersion?

    <p>Pass through semipermeable membrane</p> Signup and view all the answers

    Which type of dispersion undergoes rapid diffusion?

    <p>Molecular dispersion</p> Signup and view all the answers

    What distinguishes coarse dispersions from colloidal dispersions in terms of particle size?

    <p>Particle size greater than 0.5μm</p> Signup and view all the answers

    What can pass through filter paper but not through a semipermeable membrane?

    <p>Colloidal dispersion</p> Signup and view all the answers

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