WAEC - Chemistry (2022 - No. 1)
The by-product of fermentation of sugar is
carbon(IV) oxide.
ethanoic acid.
propanol
propan-1, 2, 3- triol.
Explication
Ethanol fermentation, also called alcoholic fermentation, is a biological process which converts sugars such as glucose, fructose, and sucrose into cellular energy, producing ethanol and carbon dioxide as by-products