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Ethyl alcohol can be produced by two methods: synthetic and biochemical processes. Ethanol obtained by using sugar or sugary sources through the biochemical process, namely fermentation, is used as a beverage. Fermentation is not a simple reaction that proceeds in a single step. It is a complex reaction process with many steps and different intermediate products are formed in the intermediate steps. Therefore, at the end of fermentation, some different substances are formed, including trace amounts of methanol, in addition to ethyl alcohol. In this video, I touched on this subject, separation by distillation, and the risks of ready-made ethyl alcohol. 00:00 Introduction. 02:25 Fermentation reaction and conditions. 04:25 Sugar and fruit fermentation and by-products, approximate amounts. 06:45 Explanation of ordinary (simple) distillation. 10:00 Why should ready-made ethyl alcohol not be purchased or used? 12:15 Is the place (person) you trust safe? 13:27 Can ethyl alcohol be tested at home? Can it be purified? 15:06 Fractional distillation, intermolecular bonds. What I have explained in this video is a summary of the information I have obtained as a result of my personal research and my personal experiences. I am not responsible for any negative situations you encounter. I recommend you to research other sources. #ethanol, #methanol