PHA 6935 Module 5 Quiz | Questions and Answers |
2025 Update | 100% Correct.
• Due Oct 23 at 5pm
• Points 10
• Questions 10
• Available Oct 7 at 8am - Oct 28 at 5pm
• Time Limit 20 Minutes
This quiz was locked Oct 28 at 5pm.
Attempt History
Attempt Time Score
LATEST Attempt 1 16 minutes 7 out of 10
Score for this quiz: 7 out of 10
Submitted Oct 23 at 5:14pm
This attempt took 16 minutes.
Question 1
, pts
Which of the following represents proof of common source?
A. two glass fragments that have the same refractive index
Correct Answer
B. a physical fit between a glass fragment and a broken headlamp
C. two paint samples that produce the same infrared spectrum
D. two TNT samples that give the same GC-MS results
Question 2
pts
Density comparisons are of limited value for the analysis of glass fragments because:
A. density is closely correlated with refractive index
B. most glass samples have the same density
C. such analyses are difficult to perform
D. glass density is not related to chemical composition
2025 Update | 100% Correct.
• Due Oct 23 at 5pm
• Points 10
• Questions 10
• Available Oct 7 at 8am - Oct 28 at 5pm
• Time Limit 20 Minutes
This quiz was locked Oct 28 at 5pm.
Attempt History
Attempt Time Score
LATEST Attempt 1 16 minutes 7 out of 10
Score for this quiz: 7 out of 10
Submitted Oct 23 at 5:14pm
This attempt took 16 minutes.
Question 1
, pts
Which of the following represents proof of common source?
A. two glass fragments that have the same refractive index
Correct Answer
B. a physical fit between a glass fragment and a broken headlamp
C. two paint samples that produce the same infrared spectrum
D. two TNT samples that give the same GC-MS results
Question 2
pts
Density comparisons are of limited value for the analysis of glass fragments because:
A. density is closely correlated with refractive index
B. most glass samples have the same density
C. such analyses are difficult to perform
D. glass density is not related to chemical composition
