Colloid Quiz
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Questions and Answers

What is a colloid?

  • A mixture with microscopically dispersed insoluble particles suspended throughout another substance (correct)
  • A pure substance with no dispersed phase particles
  • A mixture with completely soluble particles suspended throughout another substance
  • A mixture with large visible particles suspended throughout another substance

    • What is the size range of dispersed phase particles in a colloid?

  • Approximately 1 nanometre to 1 micrometre (correct)
  • Greater than 1 micrometre
  • Exactly 1 micrometre
  • Less than 1 nanometre

    • Why are some colloids translucent?

  • Due to the Tyndall effect, which is the scattering of light by particles in the colloid (correct)
  • Due to the absorption of light by particles in the colloid
  • Due to the complete transparency of the dispersed phase particles
  • Due to the absence of particles in the colloid

    • What distinguishes colloidal suspensions from a narrower sense of the word suspension?

    <p>Colloidal suspensions have smaller particle size</p> Signup and view all the answers

    What field of study is concerned with colloidal suspensions?

    <p>Interface and colloid science</p> Signup and view all the answers

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