Which of the following is an example of an optical analytical instrument?
a) Gas chromatograph
b) Mass spectrometer
c) UV-Vis spectrophotometer
d) Atomic force microscope
Answer: c) UV-Vis spectrophotometer
What is the principle behind UV-Vis spectrophotometry?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Ionization of analytes followed by mass-to-charge ratio analysis
d) Measurement of electrical conductivity of a sample
Answer: a) Measurement of light absorption by a sample
Which of the following is an example of a separation technique used in analytical instrumentation?
a) Atomic absorption spectroscopy
b) Fourier-transform infrared spectroscopy
c) Gas chromatography
d) Nuclear magnetic resonance spectroscopy
Answer: c) Gas chromatography
What is the principle behind gas chromatography?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Ionization of analytes followed by mass-to-charge ratio analysis
d) Measurement of electrical conductivity of a sample
Answer: b) Separation of components based on their interaction with a stationary phase
Which of the following is an example of an electrochemical analytical instrument?
a) Atomic force microscope
b) Gas chromatograph
c) pH meter
d) Mass spectrometer
Answer: c) pH meter
What is the principle behind pH measurement using a pH meter?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Measurement of electrical potential difference between reference and sensing electrodes
d) Measurement of electrical conductivity of a sample
Answer: c) Measurement of electrical potential difference between reference and sensing electrodes
Which of the following is an example of a mass spectrometry technique used in analytical instrumentation?
a) Atomic absorption spectroscopy
b) Fourier-transform infrared spectroscopy
c) Gas chromatography
d) Inductively coupled plasma mass spectrometry
Answer: d) Inductively coupled plasma mass spectrometry
What is the principle behind mass spectrometry?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Ionization of analytes followed by mass-to-charge ratio analysis
d) Measurement of electrical conductivity of a sample
Answer: c) Ionization of analytes followed by mass-to-charge ratio analysis
Which of the following is an example of an atomic spectroscopy technique used in analytical instrumentation?
a) Gas chromatography
b) Fourier-transform infrared spectroscopy
c) Atomic absorption spectroscopy
d) Nuclear magnetic resonance spectroscopy
Answer: c) Atomic absorption spectroscopy
What is the principle behind atomic absorption spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Ionization of analytes followed by mass-to-charge ratio analysis
d) Measurement of electrical conductivity of a sample
Answer: a) Measurement of light absorption by a sample
Which of the following is an example of a thermal analytical instrument?
a) Atomic force microscope
b) Gas chromatograph
c) Differential scanning calorimeter
d) Mass spectrometer
Answer: c) Differential scanning calorimeter
What is the principle behind differential scanning calorimetry?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Measurement of heat flow in a sample as a function of temperature
d) Measurement of electrical conductivity of a sample
Answer: c) Measurement of heat flow in a sample as a function of temperature
Which of the following is an example of a spectroscopic analytical instrument?
a) pH meter
b) Gas chromatograph
c) Atomic absorption spectrometer
d) Inductively coupled plasma mass spectrometer
Answer: c) Atomic absorption spectrometer
What is the principle behind atomic absorption spectrometry?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Ionization of analytes followed by mass-to-charge ratio analysis
d) Measurement of electrical conductivity of a sample
Answer: a) Measurement of light absorption by a sample
Which of the following is an example of a chromatographic technique used in analytical instrumentation?
a) Atomic absorption spectroscopy
b) Fourier-transform infrared spectroscopy
c) High-performance liquid chromatography
d) Nuclear magnetic resonance spectroscopy
Answer: c) High-performance liquid chromatography
What is the principle behind high-performance liquid chromatography (HPLC)?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Ionization of analytes followed by mass-to-charge ratio analysis
d) Measurement of electrical conductivity of a sample
Answer: b) Separation of components based on their interaction with a stationary phase
Which of the following is an example of a spectroscopic technique used in analytical instrumentation?
a) pH meter
b) Gas chromatograph
c) Fourier-transform infrared spectroscopy
d) Mass spectrometer
Answer: c) Fourier-transform infrared spectroscopy
What is the principle behind Fourier-transform infrared spectroscopy (FTIR)?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Measurement of infrared radiation absorption by a sample
d) Measurement of electrical conductivity of a sample
Answer: c) Measurement of infrared radiation absorption by a sample
Which of the following is an example of an electroanalytical instrument?
a) Gas chromatograph
b) Mass spectrometer
c) pH meter
d) Atomic force microscope
Answer: c) pH meter
What is the principle behind potentiometry using a pH meter?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Measurement of electrical potential difference between reference and sensing electrodes
d) Measurement of electrical conductivity of a sample
Answer: c) Measurement of electrical potential difference between reference and sensing electrodes
Which of the following is an example of a spectroscopic technique used for structural determination in analytical instrumentation?
a) Gas chromatography
b) Mass spectrometry
c) Nuclear magnetic resonance spectroscopy
d) Atomic absorption spectrometry
Answer: c) Nuclear magnetic resonance spectroscopy
What is the principle behind nuclear magnetic resonance spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Analysis of the magnetic properties of atomic nuclei in a sample
d) Measurement of electrical conductivity of a sample
Answer: c) Analysis of the magnetic properties of atomic nuclei in a sample
Which of the following is an example of a thermal analytical instrument used for phase transition analysis?
a) Atomic force microscope
b) Gas chromatograph
c) Differential scanning calorimeter
d) Mass spectrometer
Answer: c) Differential scanning calorimeter
What is the principle behind differential scanning calorimetry?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Measurement of heat flow in a sample as a function of temperature
d) Measurement of electrical conductivity of a sample
Answer: c) Measurement of heat flow in a sample as a function of temperature
Which of the following is an example of a spectroscopic technique used for molecular identification in analytical instrumentation?
a) Atomic force microscope
b) Gas chromatograph
c) Fourier-transform infrared spectroscopy
d) Atomic absorption spectroscopy
Answer: c) Fourier-transform infrared spectroscopy
What is the principle behind Fourier-transform infrared spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Measurement of infrared radiation absorption by a sample
d) Measurement of electrical conductivity of a sample
Answer: c) Measurement of infrared radiation absorption by a sample
Which of the following is an example of a spectroscopic technique used for elemental analysis in analytical instrumentation?
a) pH meter
b) Gas chromatograph
c) Inductively coupled plasma optical emission spectroscopy
d) Mass spectrometer
Answer: c) Inductively coupled plasma optical emission spectroscopy
What is the principle behind inductively coupled plasma optical emission spectroscopy (ICP-OES)?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Analysis of the emission spectrum of ions in a plasma
d) Measurement of electrical conductivity of a sample
Answer: c) Analysis of the emission spectrum of ions in a plasma
Which of the following is an example of a separation technique used for sample purification in analytical instrumentation?
a) Atomic absorption spectroscopy
b) Gas chromatography
c) Mass spectrometry
d) Nuclear magnetic resonance spectroscopy
Answer: b) Gas chromatography
What is the principle behind gas chromatography?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Ionization of analytes followed by mass-to-charge ratio analysis
d) Measurement of electrical conductivity of a sample
Answer: b) Separation of components based on their interaction with a stationary phase
Which of the following is an example of a spectroscopic technique used for elemental analysis in analytical instrumentation?
a) pH meter
b) Gas chromatograph
c) Atomic absorption spectroscopy
d) Mass spectrometer
Answer: c) Atomic absorption spectroscopy
What is the principle behind atomic absorption spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Ionization of analytes followed by mass-to-charge ratio analysis
d) Measurement of electrical conductivity of a sample
Answer: a) Measurement of light absorption by a sample
Which of the following is an example of a spectroscopic technique used for molecular analysis in analytical instrumentation?
a) Atomic force microscope
b) Gas chromatograph
c) Infrared spectroscopy
d) Mass spectrometer
Answer: c) Infrared spectroscopy
What is the principle behind infrared spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Measurement of infrared radiation absorption by a sample
d) Measurement of electrical conductivity of a sample
Answer: c) Measurement of infrared radiation absorption by a sample
Which of the following is an example of a spectroscopic technique used for molecular identification and structural elucidation in analytical instrumentation?
a) pH meter
b) Gas chromatograph
c) Nuclear magnetic resonance spectroscopy
d) Atomic absorption spectrometry
Answer: c) Nuclear magnetic resonance spectroscopy
What is the principle behind nuclear magnetic resonance spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Analysis of the magnetic properties of atomic nuclei in a sample
d) Measurement of electrical conductivity of a sample
Answer: c) Analysis of the magnetic properties of atomic nuclei in a sample
Which of the following is an example of a spectroscopic technique used for elemental analysis in analytical instrumentation?
a) Atomic force microscope
b) Gas chromatograph
c) Inductively coupled plasma mass spectrometry
d) Mass spectrometer
Answer: c) Inductively coupled plasma mass spectrometry
What is the principle behind inductively coupled plasma mass spectrometry?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Ionization of analytes followed by mass-to-charge ratio analysis
d) Measurement of electrical conductivity of a sample
Answer: c) Ionization of analytes followed by mass-to-charge ratio analysis
Which of the following is an example of a spectroscopic technique used for molecular analysis in analytical instrumentation?
a) pH meter
b) Gas chromatograph
c) Infrared spectroscopy
d) Mass spectrometer
Answer: c) Infrared spectroscopy
What is the principle behind infrared spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Measurement of infrared radiation absorption by a sample
d) Measurement of electrical conductivity of a sample
Answer: c) Measurement of infrared radiation absorption by a sample
Which of the following is an example of a spectroscopic technique used for molecular identification and structural elucidation in analytical instrumentation?
a) Atomic force microscope
b) Gas chromatograph
c) Nuclear magnetic resonance spectroscopy
d) Atomic absorption spectrometry
Answer: c) Nuclear magnetic resonance spectroscopy
What is the principle behind nuclear magnetic resonance spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Analysis of the magnetic properties of atomic nuclei in a sample
d) Measurement of electrical conductivity of a sample
Answer: c) Analysis of the magnetic properties of atomic nuclei in a sample
Which of the following is an example of a spectroscopic technique used for elemental analysis in analytical instrumentation?
a) Atomic force microscope
b) Gas chromatograph
c) Inductively coupled plasma optical emission spectroscopy
d) Mass spectrometer
Answer: c) Inductively coupled plasma optical emission spectroscopy
What is the principle behind inductively coupled plasma optical emission spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Analysis of the emission spectrum of ions in a plasma
d) Measurement of electrical conductivity of a sample
Answer: c) Analysis of the emission spectrum of ions in a plasma
Which of the following is an example of a separation technique used for sample purification in analytical instrumentation?
a) Atomic absorption spectroscopy
b) Gas chromatography
c) Mass spectrometry
d) Nuclear magnetic resonance spectroscopy
Answer: b) Gas chromatography
What is the principle behind gas chromatography?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Ionization of analytes followed by mass-to-charge ratio analysis
d) Measurement of electrical conductivity of a sample
Answer: b) Separation of components based on their interaction with a stationary phase
Which of the following is an example of a spectroscopic technique used for elemental analysis in analytical instrumentation?
a) pH meter
b) Gas chromatograph
c) Atomic absorption spectroscopy
d) Mass spectrometer
Answer: c) Atomic absorption spectroscopy
What is the principle behind atomic absorption spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Ionization of analytes followed by mass-to-charge ratio analysis
d) Measurement of electrical conductivity of a sample
Answer: a) Measurement of light absorption by a sample
Which of the following is an example of a spectroscopic technique used for molecular analysis in analytical instrumentation?
a) Atomic force microscope
b) Gas chromatograph
c) Infrared spectroscopy
d) Mass spectrometer
Answer: c) Infrared spectroscopy
What is the principle behind infrared spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Measurement of infrared radiation absorption by a sample
d) Measurement of electrical conductivity of a sample
Answer: c) Measurement of infrared radiation absorption by a sample
Which of the following is an example of a spectroscopic technique used for molecular identification and structural elucidation in analytical instrumentation?
a) Atomic force microscope
b) Gas chromatograph
c) Nuclear magnetic resonance spectroscopy
d) Atomic absorption spectrometry
Answer: c) Nuclear magnetic resonance spectroscopy
What is the principle behind nuclear magnetic resonance spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Analysis of the magnetic properties of atomic nuclei in a sample
d) Measurement of electrical conductivity of a sample
Answer: c) Analysis of the magnetic properties of atomic nuclei in a sample
Which of the following is an example of a spectroscopic technique used for elemental analysis in analytical instrumentation?
a) Atomic force microscope
b) Gas chromatograph
c) Inductively coupled plasma mass spectrometry
d) Mass spectrometer
Answer: c) Inductively coupled plasma mass spectrometry
What is the principle behind inductively coupled plasma mass spectrometry?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Ionization of analytes followed by mass-to-charge ratio analysis
d) Measurement of electrical conductivity of a sample
Answer: c) Ionization of analytes followed by mass-to-charge ratio analysis
Which of the following is an example of a spectroscopic technique used for molecular analysis in analytical instrumentation?
a) pH meter
b) Gas chromatograph
c) Infrared spectroscopy
d) Mass spectrometer
Answer: c) Infrared spectroscopy
What is the principle behind infrared spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Measurement of infrared radiation absorption by a sample
d) Measurement of electrical conductivity of a sample
Answer: c) Measurement of infrared radiation absorption by a sample
Which of the following is an example of a spectroscopic technique used for molecular identification and structural elucidation in analytical instrumentation?
a) Atomic force microscope
b) Gas chromatograph
c) Nuclear magnetic resonance spectroscopy
d) Atomic absorption spectrometry
Answer: c) Nuclear magnetic resonance spectroscopy
What is the principle behind nuclear magnetic resonance spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Analysis of the magnetic properties of atomic nuclei in a sample
d) Measurement of electrical conductivity of a sample
Answer: c) Analysis of the magnetic properties of atomic nuclei in a sample
Which of the following is an example of a spectroscopic technique used for elemental analysis in analytical instrumentation?
a) Atomic force microscope
b) Gas chromatograph
c) Inductively coupled plasma optical emission spectroscopy
d) Mass spectrometer
Answer: c) Inductively coupled plasma optical emission spectroscopy
What is the principle behind inductively coupled plasma optical emission spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Analysis of the emission spectrum of ions in a plasma
d) Measurement of electrical conductivity of a sample
Answer: c) Analysis of the emission spectrum of ions in a plasma
Which of the following is an example of a separation technique used for sample purification in analytical instrumentation?
a) Atomic absorption spectroscopy
b) Gas chromatography
c) Mass spectrometry
d) Nuclear magnetic resonance spectroscopy
Answer: b) Gas chromatography
What is the principle behind gas chromatography?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Ionization of analytes followed by mass-to-charge ratio analysis
d) Measurement of electrical conductivity of a sample
Answer: b) Separation of components based on their interaction with a stationary phase
Which of the following is an example of a spectroscopic technique used for elemental analysis in analytical instrumentation?
a) pH meter
b) Gas chromatograph
c) Atomic absorption spectroscopy
d) Mass spectrometer
Answer: c) Atomic absorption spectroscopy
What is the principle behind atomic absorption spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Ionization of analytes followed by mass-to-charge ratio analysis
d) Measurement of electrical conductivity of a sample
Answer: a) Measurement of light absorption by a sample
Which of the following is an example of a spectroscopic technique used for molecular analysis in analytical instrumentation?
a) Atomic force microscope
b) Gas chromatograph
c) Infrared spectroscopy
d) Mass spectrometer
Answer: c) Infrared spectroscopy
What is the principle behind infrared spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Measurement of infrared radiation absorption by a sample
d) Measurement of electrical conductivity of a sample
Answer: c) Measurement of infrared radiation absorption by a sample
Which of the following is an example of a spectroscopic technique used for molecular identification and structural elucidation in analytical instrumentation?
a) Atomic force microscope
b) Gas chromatograph
c) Nuclear magnetic resonance spectroscopy
d) Atomic absorption spectrometry
Answer: c) Nuclear magnetic resonance spectroscopy
What is the principle behind nuclear magnetic resonance spectroscopy?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Analysis of the magnetic properties of atomic nuclei in a sample
d) Measurement of electrical conductivity of a sample
Answer: c) Analysis of the magnetic properties of atomic nuclei in a sample
Which of the following is an example of a spectroscopic technique used for elemental analysis in analytical instrumentation?
a) Atomic force microscope
b) Gas chromatograph
c) Inductively coupled plasma mass spectrometry
d) Mass spectrometer
Answer: c) Inductively coupled plasma mass spectrometry
What is the principle behind inductively coupled plasma mass spectrometry?
a) Measurement of light absorption by a sample
b) Separation of components based on their interaction with a stationary phase
c) Ionization of analytes followed by mass-to-charge ratio analysis
d) Measurement of electrical conductivity of a sample
Answer: c) Ionization of analytes followed by mass-to-charge ratio analysis
