Instrumental Analysis
This quiz is designed to assess your knowledge of Instrumental Analysis, a branch of analytical chemistry that deals with the identification and quantification of chemical substances using various instruments.
Questions
Which of the following techniques is used to separate and identify compounds based on their interaction with a stationary phase?
- Spectrophotometry
- Chromatography
- Electrochemistry
- Mass spectrometry
What is the principle behind spectrophotometry?
- Measuring the absorption of light by a sample
- Measuring the emission of light by a sample
- Measuring the change in electrical potential of a sample
- Measuring the mass-to-charge ratio of ions in a sample
Which type of spectroscopy is used to identify and quantify elements in a sample?
- Atomic absorption spectroscopy
- Atomic emission spectroscopy
- Infrared spectroscopy
- Nuclear magnetic resonance spectroscopy
What is the principle behind electrochemistry?
- Measuring the change in electrical potential of a sample
- Measuring the current flowing through a sample
- Measuring the mass-to-charge ratio of ions in a sample
- Measuring the absorption of light by a sample
Which of the following techniques is used to separate and identify compounds based on their mass-to-charge ratio?
- Spectrophotometry
- Chromatography
- Electrochemistry
- Mass spectrometry
What is the principle behind nuclear magnetic resonance spectroscopy (NMR)?
- Measuring the absorption of light by a sample
- Measuring the emission of light by a sample
- Measuring the change in electrical potential of a sample
- Measuring the magnetic properties of atomic nuclei
Which of the following techniques is used to identify and quantify organic compounds?
- Atomic absorption spectroscopy
- Atomic emission spectroscopy
- Infrared spectroscopy
- Nuclear magnetic resonance spectroscopy
What is the principle behind X-ray diffraction?
- Measuring the absorption of light by a sample
- Measuring the emission of light by a sample
- Measuring the change in electrical potential of a sample
- Measuring the scattering of X-rays by a sample
Which of the following techniques is used to identify and quantify inorganic compounds?
- Atomic absorption spectroscopy
- Atomic emission spectroscopy
- Infrared spectroscopy
- Nuclear magnetic resonance spectroscopy
What is the principle behind fluorescence spectroscopy?
- Measuring the absorption of light by a sample
- Measuring the emission of light by a sample
- Measuring the change in electrical potential of a sample
- Measuring the mass-to-charge ratio of ions in a sample
Which of the following techniques is used to separate and identify compounds based on their size and charge?
- Spectrophotometry
- Chromatography
- Electrochemistry
- Electrophoresis
What is the principle behind potentiometry?
- Measuring the change in electrical potential of a sample
- Measuring the current flowing through a sample
- Measuring the mass-to-charge ratio of ions in a sample
- Measuring the absorption of light by a sample
Which of the following techniques is used to identify and quantify proteins?
- Atomic absorption spectroscopy
- Atomic emission spectroscopy
- Infrared spectroscopy
- Mass spectrometry
What is the principle behind thermal analysis?
- Measuring the change in temperature of a sample
- Measuring the change in mass of a sample
- Measuring the change in electrical potential of a sample
- Measuring the absorption of light by a sample
Which of the following techniques is used to identify and quantify drugs?
- Atomic absorption spectroscopy
- Atomic emission spectroscopy
- Infrared spectroscopy
- Chromatography