Chemical Analysis and Instrumentation MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important Chemical Analysis and Instrumentation MCQs for Preparation.
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Chemical Analysis and Instrumentation Online MCQs with Answers
Certainly! Here are 60 multiple-choice questions on Chemical Analysis and Instrumentation along with their answers:
Which technique is used to separate the components of a mixture based on their different boiling points?
a) Chromatography
b) Spectroscopy
c) Distillation
d) Electrochemistry
What type of spectroscopy is commonly used to analyze the molecular structure of organic compounds?
a) Mass spectrometry
b) Infrared spectroscopy
c) UV-Vis spectroscopy
d) NMR spectroscopy
Which technique is used to measure the amount of light absorbed or emitted by a substance at different wavelengths?
a) Chromatography
b) Spectroscopy
c) Distillation
d) Electrochemistry
What type of spectroscopy is commonly used to analyze the elemental composition of a sample?
a) Mass spectrometry
b) Infrared spectroscopy
c) UV-Vis spectroscopy
d) NMR spectroscopy
Which technique is used to separate the components of a mixture based on their different affinities for a stationary phase?
a) Chromatography
b) Spectroscopy
c) Distillation
d) Electrochemistry
What type of spectroscopy is commonly used to analyze the electronic transitions in molecules?
a) Mass spectrometry
b) Infrared spectroscopy
c) UV-Vis spectroscopy
d) NMR spectroscopy
Which technique is used to determine the structure and connectivity of atoms in a molecule?
a) Chromatography
b) Spectroscopy
c) Mass spectrometry
d) NMR spectroscopy
What type of spectroscopy is commonly used to analyze the magnetic properties of atoms in a molecule?
a) Mass spectrometry
b) Infrared spectroscopy
c) UV-Vis spectroscopy
d) NMR spectroscopy
Which technique is used to measure the concentration of a substance in a sample by measuring its electric current?
a) Chromatography
b) Spectroscopy
c) Distillation
d) Electrochemistry
What type of spectroscopy is commonly used to analyze the vibrations and rotations of molecules?
a) Mass spectrometry
b) Infrared spectroscopy
c) UV-Vis spectroscopy
d) NMR spectroscopy
Which instrument is commonly used to measure the mass-to-charge ratio of ions?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which instrument is commonly used to measure the absorbance of light at different wavelengths?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which instrument is commonly used to separate the components of a mixture based on their affinities for a stationary phase?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which instrument is commonly used to measure the chemical shifts of nuclei in a molecule?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to separate the components of a mixture based on their different migration rates in a solvent?
a) Chromatography
b) Spectroscopy
c) Distillation
d) Electrochemistry
What type of spectroscopy is commonly used to analyze the electronic transitions in atoms and ions?
a) Mass spectrometry
b) Infrared spectroscopy
c) UV-Vis spectroscopy
d) NMR spectroscopy
Which instrument is commonly used to measure the intensities of different masses in a sample?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which instrument is commonly used to measure the concentration of a substance in a sample by measuring its absorbance of ultraviolet or visible light?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which instrument is commonly used to separate the components of a mixture based on their boiling points?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which instrument is commonly used to measure the spin-spin and spin-lattice relaxation times of nuclei in a molecule?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to identify and quantify the elements present in a sample?
a) Mass spectrometry
b) Infrared spectroscopy
c) Atomic absorption spectroscopy
d) NMR spectroscopy
Which technique is used to determine the molecular weight of a compound or mixture?
a) Mass spectrometry
b) Infrared spectroscopy
c) Atomic absorption spectroscopy
d) NMR spectroscopy
Which technique is used to identify and analyze the functional groups present in an organic compound?
a) Mass spectrometry
b) Infrared spectroscopy
c) Atomic absorption spectroscopy
d) NMR spectroscopy
Which technique is used to measure the concentration of a substance in a sample by measuring the absorption of light at specific wavelengths?
a) Mass spectrometry
b) Infrared spectroscopy
c) Atomic absorption spectroscopy
d) NMR spectroscopy
Which technique is used to determine the structural and chemical properties of a compound based on the interaction of light with its electronic and vibrational states?
a) Mass spectrometry
b) Infrared spectroscopy
c) Atomic absorption spectroscopy
d) NMR spectroscopy
Which instrument is commonly used to measure the absorption of X-rays by a sample?
a) X-ray diffractometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to determine the crystal structure of a compound?
a) Mass spectrometry
b) Infrared spectroscopy
c) X-ray diffraction
d) NMR spectroscopy
Which instrument is commonly used to measure the intensity and wavelength of X-rays emitted by a sample?
a) X-ray diffractometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to analyze the composition and structure of a sample by bombarding it with high-energy ions?
a) Mass spectrometry
b) Infrared spectroscopy
c) X-ray diffraction
d) Secondary ion mass spectrometry
Which instrument is commonly used to measure the masses and relative abundances of ions in a sample?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to determine the isotopic composition of a sample?
a) Mass spectrometry
b) Infrared spectroscopy
c) X-ray diffraction
d) Secondary ion mass spectrometry
Which instrument is commonly used to measure the absorption of light at specific wavelengths in the infrared region?
a) Mass spectrometer
b) Infrared spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to determine the elemental composition of a sample by vaporizing it with a high-energy laser?
a) Mass spectrometry
b) Infrared spectroscopy
c) Laser ablation
d) NMR spectroscopy
Which instrument is commonly used to measure the magnetic properties of a sample?
a) Mass spectrometer
b) Infrared spectrophotometer
c) Vibrating sample magnetometer
d) NMR spectrometer
Which technique is used to determine the concentration of an analyte in a sample by measuring its fluorescence emission?
a) Mass spectrometry
b) Infrared spectroscopy
c) Fluorescence spectroscopy
d) NMR spectroscopy
Which instrument is commonly used to measure the absorbance of light at specific wavelengths in the ultraviolet and visible regions?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to determine the molecular weight and structure of a compound by analyzing the time-of-flight of ions?
a) Mass spectrometry
b) Infrared spectroscopy
c) UV-Vis spectroscopy
d) Time-of-flight mass spectrometry
Which instrument is commonly used to measure the absorption of light at specific wavelengths in the ultraviolet and visible regions?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to determine the concentration of an analyte in a sample by measuring the intensity of its emitted light?
a) Mass spectrometry
b) Infrared spectroscopy
c) UV-Vis spectroscopy
d) Fluorescence spectroscopy
Which instrument is commonly used to measure the absorbance and emission of light at specific wavelengths in the ultraviolet and visible regions?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to determine the elemental composition and isotopic ratios of a sample by analyzing the ionization and fragmentation patterns?
a) Mass spectrometry
b) Infrared spectroscopy
c) X-ray diffraction
d) Secondary ion mass spectrometry
Which instrument is commonly used to measure the absorption and emission of light at specific wavelengths in the ultraviolet and visible regions?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to determine the elemental composition and isotopic ratios of a sample by analyzing the ionization and fragmentation patterns?
a) Mass spectrometry
b) Infrared spectroscopy
c) X-ray diffraction
d) Secondary ion mass spectrometry
Which instrument is commonly used to measure the intensities of different masses in a sample?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to analyze the composition and structure of a sample by bombarding it with high-energy ions?
a) Mass spectrometry
b) Infrared spectroscopy
c) X-ray diffraction
d) Secondary ion mass spectrometry
Which instrument is commonly used to measure the masses and relative abundances of ions in a sample?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to determine the isotopic composition of a sample?
a) Mass spectrometry
b) Infrared spectroscopy
c) X-ray diffraction
d) Secondary ion mass spectrometry
Which instrument is commonly used to measure the absorption of light at specific wavelengths in the infrared region?
a) Mass spectrometer
b) Infrared spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to determine the elemental composition of a sample by vaporizing it with a high-energy laser?
a) Mass spectrometry
b) Infrared spectroscopy
c) Laser ablation
d) NMR spectroscopy
Which instrument is commonly used to measure the magnetic properties of a sample?
a) Mass spectrometer
b) Infrared spectrophotometer
c) Vibrating sample magnetometer
d) NMR spectrometer
Which technique is used to determine the concentration of an analyte in a sample by measuring its fluorescence emission?
a) Mass spectrometry
b) Infrared spectroscopy
c) Fluorescence spectroscopy
d) NMR spectroscopy
Which instrument is commonly used to measure the absorbance of light at specific wavelengths in the ultraviolet and visible regions?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to determine the molecular weight and structure of a compound by analyzing the time-of-flight of ions?
a) Mass spectrometry
b) Infrared spectroscopy
c) UV-Vis spectroscopy
d) Time-of-flight mass spectrometry
Which instrument is commonly used to measure the absorption of light at specific wavelengths in the ultraviolet and visible regions?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to determine the concentration of an analyte in a sample by measuring the intensity of its emitted light?
a) Mass spectrometry
b) Infrared spectroscopy
c) UV-Vis spectroscopy
d) Fluorescence spectroscopy
Which instrument is commonly used to measure the absorbance and emission of light at specific wavelengths in the ultraviolet and visible regions?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to determine the elemental composition and isotopic ratios of a sample by analyzing the ionization and fragmentation patterns?
a) Mass spectrometry
b) Infrared spectroscopy
c) X-ray diffraction
d) Secondary ion mass spectrometry
Which instrument is commonly used to measure the absorption and emission of light at specific wavelengths in the ultraviolet and visible regions?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer
Which technique is used to determine the elemental composition and isotopic ratios of a sample by analyzing the ionization and fragmentation patterns?
a) Mass spectrometry
b) Infrared spectroscopy
c) X-ray diffraction
d) Secondary ion mass spectrometry
Which instrument is commonly used to measure the intensities of different masses in a sample?
a) Mass spectrometer
b) UV-Vis spectrophotometer
c) Gas chromatograph
d) NMR spectrometer