Question

A food stall owner has added yeast and sugar to his dough and left it in a warm place . After some hours the dough had risen and it had a sour smell:
A) why did the dough rise?
B)why did it smell sour?
C)why was sugar added to the dough?
D)what would have happened if the dough was kept in the refrigerator ,as soon as it was prepared?

Answer 1

a) due to presence of yeast b)because of alchohol ​c)to speed up the action of budding d)it would remain the same.