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Conculsions Student Name : 1. Identify the resins by color.
2. Your boat is sinking about two miles off shore and you are not a good swimmer. You notice six large solid plastic blocks labeled 1, 2, 3, 4, 5, 6. Which three should you grab? Why? 3. You wish to make a plastic handle for a cooking pan out of recycled plastic. Which plastic should you avoid? 4. You decide to jazz up your bathroom cabinet by transferring your fingernail polish remover into a more stylish container. The next day, reaching for the bottle, you find a messy blob. What was the plastic used in this stylish bottle? What is the active ingredient in the fingernail polish remover (answer is in the lab instructions)? 5. From what you observed, tell the approximate density of the isopropyl alcohol and water solution and explain. 6. Why is it important to dislodge any adhering bubbles in the density tests? 7. Sometimes plastic containers are made from two polymers and not just one. What would happen to the water density test if LDPE and PP were mixed? If PET and HDPE were mixed? |