Describe in detail a series of tests that a forensic drug chemist would conduct in order to identify a white powder as containing cocaine with an approximate purity of 80%. (An excellent answer would include at least four major points.)

Describe in detail a series of tests that a forensic drug chemist would conduct in order to identify a white powder as containing cocaine with an approximate purity of 80%. (An excellent answer would include at least four major points.)

Question 2

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Describe the proper collection and preservation of paint evidence from an automobile suspected of being involved in a hit-and-run incident. Paint that is foreign to the suspect automobile is observed on the hood. (An excellent answer would include at least four major points.)

Question 3

Discuss the proper collection of evidence at the origin of a fire that is suspected of having been started with gasoline. Describe the proper submission of controls for laboratory examination. (Your textbook lists five major points that are relevant to this question. An excellent answer would include all five points with a brief description or explanation of each.)