Complete Test Bank Quantitative Chemical Analysis 9th Edition Harris Questions & Answers with rationales (Chapter 1-28)
458 views 14 purchases
Module
Chemical Analysis
Institution
Chemical Analysis
Book
Quantitative Chemical Analysis
Quantitative Chemical Analysis 9th Edition Harris Test Bank
Complete Test Bank Quantitative Chemical Analysis 9th Edition Harris Questions & Answers with rationales (Chapter 1-28)
PDF File
All Pages
All Chapters
Grade A+
Chapter 0 – The Analytical Process 1
Quantitative Chemical Analysis 9th Edition Harris
Test Bank
Multiple-Choice
1. chemical analysis is the measurement of how much of a chemical
substance is present. chemical analysis is the determination of what is present in
a sample.
A) Quantitative; Qualitative
B) Stoichiometric ; Qualitative
C) Qualitative; Quantitative
D) Stoichiometric ; Identification
E) Quantitative; Identification
Answer: A
Easy
0-1 The Analytical Chemist’s Job
2. A sample with a uniform chemical composition is a sample.
A) homologous
B) homogeneous
C) uniform
D) consistent
E) heterogeneous
Answer: B
Easy
3. A(n) sample is a sample where the chemical composition differs from
place to place.
A) variable
B) homogeneous
C) random
D) inconsistent
E) heterogeneous
Answer: E
Easy
,Chapter 0 – The Analytical Process 2
4. When extracting a sample with a liquid, the liquid is from the sample.
A) transferred
B) drained
C) decanted
D) effused
E) dispensed
Answer: C
Easy
5. A(n) is used to grind solids into smaller particles.
A) orbital shaker
B) vortexer
C) mixer
D) mortar and pestle
E) centrifuge
Answer: D
Easy
6. is the substance being measured during a chemical analysis.
A) Bulk
B) Lot
C) Sample
D) Analyte
E) Aliquot
Answer: D
Easy
7. The liquid above the packed solid following a centrifugation is the .
A) solvonatant
B) analyte
C) serum
D) decanted
E) supernatant
Answer: E
Easy
,Chapter 0 – The Analytical Process 3
8. A(n) is a suspension of a solid in a liquid.
A) slurry
B) colloid
C) gel
D) supernatant
E) allotrope
Answer: A
Easy
9. is the series of procedures applied to a sample prior to analysis.
A) Pre-analysis clean up
B) Sample preparation
C) Filler elimination
D) Matrix removal
E) Lot cleaning
Answer: B
Easy
10. For separations, the plot of detector response versus time is a(n) and
the area under the peak is to the quantity of compound passing through the
detector.
A) column plot; proportional
B) column plot; inversely proportional
C) chromatogram; proportional
D) chromatogram; inversely proportional
E) absorbance spectrum; proportional
Answer: C
Easy
, Chapter 0 – The Analytical Process 4
11. A(n) is a plot of detector response as a function of analyte
concentration. The curve is constructed using containing known
concentrations of the analyte of interest.
A) analyte curve; response solutions
B) response curve; standard solutions
C) analyte curve; analyte solutions
D) calibration curve; standard solutions
E) response curve; response solutions
Answer: D
Easy
12. is the process of procuring a representative sample to analyze.
A) Inspection
B) Examination
C) Representation
D) Sampling
E) Partaking
Answer: D
Easy
13. Solid-phase extraction is a sample preparation technique. Which of the following
statements is(are) NOT true for an aqueous solid-phase extraction?
I Solid-phase extraction separates analyte from the sample matrix using a chromatography
stationary phase.
II An aliquot of the aqueous sample is applied to the solid-phase extraction tube, washing
the sample with additional sample and then a water wash.
III The analyte sticks to the column and the water wash removes all species that do not
adhere to the column.
IV An organic solvent is used to wash the analyte from the column.
V The organic phase containing the analyte is evaporated to dryness and the solid is
dissolved in water, ready for analysis.
A) III
B)I
C) II and III
D) IV
E)II
Answer: E
Easy
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller gradexam. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £13.74. You're not tied to anything after your purchase.
