Scenario: You are a forensic scientist working for a government agency. A sample of an unknown white substance has been submitted as evidence; the sample (1 kilogram) is suspected to be a controlled substance. In order to narrow down the possibilities, you perform the following color spot tests and obtain the results shown in table 1. Question: Given the attached table of standard controlled substance color reactions (Table 2) and the knowledge that the unknown white substance is one of the substances in this table, what possibilities remain as to the identity of the unknown substance? Also briefly describe how you would go about confirming the identity of this unknown substance definitively (i.e., sufficient to permit admissibility in court). Total possible