Chromatography Basics

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Questions and Answers

What is the main purpose of chromatography?

  • Creating chemical reactions
  • Measuring electrical conductivity
  • Separating components of a mixture (correct)
  • Testing mechanical properties

Which factor primarily determines the separation of components in chromatography?

  • Differences in color intensity
  • Differences in electrical charge
  • Differences in molecular weight
  • Differences in affinity for the stationary phase (correct)

What is the role of the mobile phase in chromatography?

  • Causing chemical reactions with the sample
  • Measuring the sample's properties
  • Carrying the sample through the stationary phase (correct)
  • Interacting with the stationary phase

What is the main principle behind chromatography?

<p>Differential partitioning of the analyte between stationary and mobile phases (C)</p> Signup and view all the answers

Which factor significantly affects the resolution of chromatographic peaks?

<p>Stationary phase selectivity (D)</p> Signup and view all the answers

What is the impact of increasing column temperature in gas chromatography?

<p>Decreases retention times (B)</p> Signup and view all the answers

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