Question

which process used in formation of wine give reaction

Answer 1

There are five basic stages to the wine making process which begins with harvesting or picking. ... Yeast may be added to the juice for white wine. During this fermentation, which often takes between one and two weeks, the yeast converts most of the sugars in the grape juice into ethanol (alcohol) and carbon dioxide.

Answer 2

First of all harvesting then putting of yeast...