Final Exam | Questions and Answers |
2026 Update | 100% Correct
the substance of interest in a chemical analysis, the substance being measured -
CORRECT ANSWER-analyte
a liquid remaining above a solid after precipitation - CORRECT ANSWER-supernatant
a suspension of a solid in a solvent - CORRECT ANSWER-slurry
a portion of a sample - CORRECT ANSWER-aliquot
a solution whose composition is known accurately - CORRECT ANSWER-standard
solution
in water - CORRECT ANSWER-aqueous
List the 7 steps of the chemical analysis - CORRECT ANSWER-1. Formulate the
question
2. Select an analytical procedure
3. Obtain a sample
4. Prepare the sample
5. Sample analysis
6. Report results
7. Draw conclusions
a portion of material used for analysis - CORRECT ANSWER-sample
all substances found within a material - CORRECT ANSWER-matrix
Identify the sample and analyte in the following scenarios
1. Determination of the lead content in paint
2. Analysis of the nitrate content of soil near a local water source
3. Measurement of the citric acid found in a lime wedge - CORRECT ANSWER-1.
analyte: lead
sample: paint chips