By which process is ethanol produced?
Fermentation
Ethanol (C2H5OH) is commercially produced from sugary or starchy materials such as molasses, sugarcane juice and grains.
Yeast enzymes (zymase) break down glucose in the absence of oxygen: C6H12O6 -> 2C2H5OH + 2CO2.
This anaerobic conversion of sugar into alcohol and carbon dioxide is called fermentation.
Hence, Fermentation.
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