Which of the following chemical tests is the best first screening test for drugs?
A) Marquis
B) Chen's
C) Duquenois-Levine
D) Zimmerman's
Correct Answer:
Verified
Q2: The Duquenois-Levine test is a screening test
Q3: _ tests identify drugs by the size
Q4: Which of the following chemical tests is
Q5: A white precipitate is a positive result
Q6: Why would an investigator NOT use color
Q7: Chemically, how does the Mecke test work?
Q8: Chemically, how does the ferric chloride test
Q9: Chemically, how does the Chen test work?
Q10: Explain how the incidence of fentanyl and
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