what does fermentation of grapes mean?
During fermentation of grapes, the yeasts interact with the sugar present in garape juice and convert it into ethyl alcohol or ethanol and carbondioxide. This creates the alcoholic beverage called wine.
Question 29 Grapes hanging on the plant do not ferment but after being plucked from the plant can be fermented. Under what conditions do these grapes ferment? Is it a chemical or a physical change?