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A compound can tentatively be identified by gas chromatography from its:


A) Carrier gas.
B) Rf value.
C) Partition coefficient.
D) Retention time.

E) A) and B)
F) All of the above

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In mass spectrometry,a chemical substance enters a chamber where it is ________ by high-energy electrons.

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MDMA (Ecstasy) does NOT cause:


A) Increased heart rate and blood pressure.
B) Increased inhibition.
C) Confusion, anxiety, and paranoia.
D) Hallucinogenic and amphetamine-like effects.

E) B) and D)
F) C) and D)

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What is the difference between a screening test and a confirmation test?

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Answer (should include points such as):
...

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Describe how a microcrystalline test works.Name two advantages of microcrystalline tests.

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The sniffing of volatile solvents can cause:


A) Drowsiness and stupor.
B) Slurred speech and double vision.
C) Feelings of exhilaration and euphoria.
D) All of the above

E) C) and D)
F) None of the above

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Which is NOT an effect of marijuana use?


A) Dryness of the mouth
B) Increased heart rate
C) Reddening of the eyes
D) Decrease in appetite for sweets

E) None of the above
F) B) and C)

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