Question

3)Gas evolved during fermentation _______

a)O2 b) CO c) H2

d) CO2​

Answer 1

Answer:

Carbon dioxide (CO₂) gas released during fermentation process. (b) During fermentation process yeast kills itself by converting the sugars (C₁₂H₂₂O₁₁) found in grapes to ethyl alcohol. Alcohol can be separated from this mixture of yeast and other formed products by distillation process.