QUANTITATIVE ANALYSIS EXAMINATION QUESTIONS AND CORRECT ANSWER WITH EXPLANATION GRADED A+ STUDY GUIDE

QUANTITATIVE ANALYSIS EXAMINATION QUESTIONS
AND CORRECT ANSWER WITH EXPLANATION GRADED
A+ STUDY GUIDE SOUTHERN NEW HAMPSHIRE
UNIVERSITY
1. Quantitative analysis is the study of:
A. Numerical measurement of chemical substances
B. Story writing
C. Drawing diagrams only
D. Color changes only
Answer: A
Rationale: It involves measurement and calculation.

2. The main goal of quantitative analysis is to:
A. Determine amount of substance
B. Describe appearance
C. Draw graphs only
D. Observe color only
Answer: A
Rationale: It measures concentration or quantity.

3. Accuracy refers to:
A. Closeness to true value
B. Randomness
C. Spread only
D. Error only
Answer: A
Rationale: Correctness of measurement.

4. Precision refers to:
A. Reproducibility of results
B. True value only
C. Random guess
D. Mean only
Answer: A
Rationale: Consistency of measurements.

,5. Systematic error affects:
A. Accuracy
B. Precision only
C. Randomness
D. Graph only
Answer: A
Rationale: Causes bias.

6. Random error affects:
A. Precision
B. Accuracy only
C. Constants
D. Graph only
Answer: A
Rationale: Causes scatter.

7. Significant figures indicate:
A. Measurement precision
B. Randomness
C. Constants
D. Graphs
Answer: A
Rationale: Measurement reliability.

8. The analytical balance is used to measure:
A. Mass
B. Volume
C. Temperature
D. Pressure
Answer: A
Rationale: High-precision mass measurement.

9. Titration is used to determine:
A. Concentration
B. Color
C. Density only
D. Shape
Answer: A
Rationale: Solution concentration.

, 10. The endpoint in titration is:
A. Observable change
B. Start point
C. Random point
D. Constant
Answer: A
Rationale: Indicator change.

11. The equivalence point is where:
A. Reactants are stoichiometrically equal
B. Color changes
C. Volume is zero
D. Pressure is max
Answer: A
Rationale: Chemical equivalence.

12. Standard solution is:
A. Known concentration solution
B. Unknown solution
C. Random solution
D. Diluted only
Answer: A
Rationale: Reference solution.

13. Molarity is defined as:
A. Moles per liter
B. Liters per mole
C. Mass per volume
D. Volume only
Answer: A
Rationale: Concentration unit.

14. Normality is:
A. Equivalents per liter
B. Moles per liter
C. Mass only
D. Volume only
Answer: A
Rationale: Equivalent concentration.