1. Conclusion The experiment concluded that the
Air Freshener Lemongrass can smell from the first spray. Because the extraction of chlorophyll from bergamot. Bergamot is a shorter period than the three kinds of herbs, but also smell a powerful herbal deodorant than 3 kinds
2. Feedback
2.1. The trials in this experiment. There should be a trial in other ratios. And should be studied with other herbs
2.2 to extract chlorophyll should carefully use alcohol because it is combustible
2.3. In the experiment must remain in the care of teachers who are knowledgeable about the use of chemicals.
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