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Questions and Answers
Which of the following is a key factor in ensuring quality in analytical chemistry?
Which of the following is a key factor in ensuring quality in analytical chemistry?
- Accuracy (correct)
- Precision
- Sensitivity
- Selectivity
What is the difference between precision and accuracy in analytical chemistry?
What is the difference between precision and accuracy in analytical chemistry?
- Precision and accuracy are not important in analytical chemistry
- Precision refers to the closeness of a set of measurements to each other, while accuracy refers to the closeness of a measurement to the true value (correct)
- Precision and accuracy are the same thing in analytical chemistry
- Precision refers to the closeness of a measurement to the true value, while accuracy refers to the closeness of a set of measurements to each other
What is selectivity in analytical chemistry?
What is selectivity in analytical chemistry?
- The ability of an analytical method to provide accurate results
- The ability of an analytical method to measure a specific analyte in the presence of other substances (correct)
- The ability of an analytical method to provide consistent and reproducible results
- The ability of an analytical method to measure a wide range of analytes
Which one of these is the correct relationship between mole fraction and molality?
Which one of these is the correct relationship between mole fraction and molality?
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Which one of these is the correct definition of mole fraction?
Which one of these is the correct definition of mole fraction?
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Which one of these is the correct definition of molality?
Which one of these is the correct definition of molality?
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