Identification of Unknown Experiment 1. Why do you need to do the chemical tests of the unknown and known side by side? 2. Briefly describe how you are going to figure out the chemical formula of the unknown. 3. Briefly describe how you are going to figure which household compound is your unknown. 4. After you perform a test, the procedure states, circle positive test or negative test, how do you know what to circle? 5. How is a positive test differed from a positive ion? 6. When all the tests of ions are done, how many positive tests should you get