Analytical Chemistry MCQs
Analytical Chemistry MCQs
Answer these Analytical Chemistry MCQs and assess your grip on the subject of Analytical Chemistry. Scroll below and get started!
1: A saturated solution occurs when _____.
A. A solution can dissolve no more solute at a given temperature
B. AuCl, Ksp = 2.0 x 10-13
C. The solution is unsaturated
D. The concentration of the ion is in moles/liter
2: What is analytical chemistry?
A. The study of chemicals and their properties
B. The investigation of chemical reactions and their mechanisms
C. The branch of chemistry focused on the separation, identification, and quantification of substances
D. The analysis of organic compounds
3: What is the purpose of sample preparation in analytical chemistry?
A. To purify chemicals and remove impurities
B. To collect and preserve samples for analysis
C. To convert the sample into a suitable form for analysis
D. To determine the chemical structure of a compound
4: What is the technique used to separate mixtures based on differences in boiling points?
A. Chromatography
B. Distillation
C. Spectroscopy
D. Titration
5: What is the principle behind spectroscopy?
A. The measurement of light absorption or emission by substances to identify and quantify them
B. The separation of compounds based on their affinity for a stationary phase
C. The reaction between an analyte and a known reagent to determine its concentration
D. The measurement of electrical potential to determine the concentration of ions
6: Which technique is commonly used to identify and quantify organic compounds based on their mass-to-charge ratio?
A. Chromatography
B. NMR spectroscopy
C. Mass spectrometry
D. Infrared spectroscopy
7: What is the purpose of calibration in analytical chemistry?
A. To determine the chemical structure of a compound
B. To calculate the molar mass of a substance
C. To establish a relationship between the analytical signal and the concentration of an analyte
D. To identify impurities in a sample
8: What is the concept of limit of detection (LOD) in analytical chemistry?
A. The lowest concentration of an analyte that can be reliably detected
B. The maximum concentration of an analyte that can be accurately measured
C. The range of concentrations in which a standard curve is linear
D. The degree of precision in measuring the concentration of an analyte
9: Which technique is used to measure the acidity or alkalinity of a solution?
A. Mass spectrometry
B. Titration
C. Gas chromatography
D. UV-Vis spectroscopy
10: What is the concept of accuracy in analytical chemistry?
A. The degree of agreement between the measured value and the true value
B. The degree of agreement between replicate measurements
C. The ability to reproduce the same result under the same conditions
D. The ability to measure small differences in concentration
11: What is the purpose of quality control in analytical chemistry?
A. To ensure the safety of laboratory personnel
B. To maintain the accuracy and reliability of analytical measurements
C. To perform routine maintenance on analytical instruments
D. To monitor the progress of chemical reactions
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Analytical Chemistry MCQs
