Year 12 - Chromatography

Which of the following is a factor that can affect the accuracy of a calibration curve?

• Volume of the solution
• Time of analysis
• Temperature of the solution
• Color of the solution

Which of the following is a component of HPLC?

• Bunsen burner
• Test tube
• Column
• Beaker

What is the purpose of chromatography?

• To measure the absorbance of a solution
• To determine the concentration of an organic compound
• To separate mixtures into their individual components
• To analyze the molecular structure of a compound

Which of the following is plotted on the x-axis of a calibration curve?

• Molecular weight of the compound
• Absorbance of the solution
• Time of analysis
• Concentration of the organic compound

What is the purpose of analyzing the molecular structure of a compound in chromatography?

• To separate mixtures into their individual components
• To measure the absorbance of a solution
• To determine the concentration of an organic compound
• To identify the compound

Which of the following is a technique used to separate mixtures in chromatography?

• Distillation
• Evaporation
• Centrifugation
• Filtration

What is the purpose of high performance liquid chromatography (HPLC)?

• To separate mixtures into their individual components
• To determine the concentration of an organic compound
• To measure the absorbance of a solution
• To analyze the molecular structure of a compound

What is the purpose of determining the slope of a calibration curve?

• To determine the concentration of an organic compound
• To measure the absorbance of a solution
• To analyze the molecular structure of a compound
• To separate mixtures into their individual components

Which of the following is used to determine the concentration of an organic compound using a calibration curve?

• Volume of the solution
• Absorbance of the solution
• Molecular weight of the compound
• Time of analysis

What is the purpose of measuring the time of analysis in chromatography?

• To monitor the progress of the separation
• To determine the concentration of an organic compound
• To measure the absorbance of a solution
• To separate mixtures into their individual components