Analytical Chemistry Quiz

What is the central science that is the focus of analytical chemistry?

• Biology

• Geology

• Physics

• Chemistry

What is the main focus of analytical chemistry?

• Studying properties of matter

• Determining the composition of matter

• Studying behavior of matter

• Studying matter

What is the role of an analyst in analytical chemistry?

• Performing an analysis on a sample

• Conducting experiments

• Studying chemical reactions

• Developing new chemicals

What is the analyte in the analysis of a commercial brand of white vinegar?

• Vinegar

• Acetic acid

• Water

• Sodium hydroxide

What is the purpose of conducting an analysis on a sample?

• All of the above

• To determine the absence or presence of a substance

• To identify the components of the sample

• To determine the characteristics of the sample

What is the difference between qualitative and quantitative analysis?

• Qualitative analysis is concerned with the amount of analyte, while quantitative analysis is concerned with the identification of substances

• Qualitative analysis is concerned with the identification of substances, while quantitative analysis is concerned with the amount of analyte

• There is no difference between the two

• None of the above

What is the main focus of gravimetric methods in quantitative analysis?

• Measurement of mass

• Measurement of volume

• Measurement of electrical properties

• Measurement of light intensity

What is the main focus of electroanalytical methods in quantitative analysis?

• Measurement of mass

• Measurement of volume

• Measurement of electrical properties

• Measurement of light intensity

What is the main focus of spectroscopic methods in quantitative analysis?

• Measurement of interaction with electromagnetic radiation

• Measurement of electrical properties

• Measurement of volume

• Measurement of mass

What is the limit for a trace amount of analyte in a sample?

• Less than 0.01%

• 0.01 to 1%

• Greater than 1%

• 1 ppb to 100 ppm