Chromatography Separation Methods Quiz
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Questions and Answers

In chromatography, the mobile phase refers to:

  • The phase that remains fixed in space
  • The phase containing the sample
  • The phase into which the sample is injected or placed (correct)
  • The phase that separates solutes based on distribution ratio
  • What is the distribution ratio, D, used for in chromatography?

  • To calculate equilibrium concentration in the extracting phase
  • To calculate the rate of mobile phase movement
  • To calculate fraction of solute that remains in the sample after an extraction (correct)
  • To calculate equilibrium concentration in the sample
  • What is the purpose of the stationary phase in chromatography?

  • To separate solutes based on distribution ratio
  • To inject or place the sample
  • To partition components with the mobile phase (correct)
  • To contain the mobile phase
  • Which chromatographic technique uses a stationary phase that is a solid?

    <p>Paper chromatography</p> Signup and view all the answers

    Which type of separation relies on components partitioning themselves between two phases?

    <p>Liquid-liquid separation</p> Signup and view all the answers

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