In baking biscuits and other quick breads, the
baking powder reacts to release carbon
dioxide bubbles. The carbon dioxide bubbles
cause the dough to rise. is this chemical or physical
The trapped carbon dioxide makes the dough rise, and the alcohol evaporates during the baking process. This is an irreversible chemical change, because by consuming the sugar, the yeast has created new substances
Chemical changes are when a substance combines with another in order to form a new substance. In this instance the baking powder is reacting which creates carbon dioxide bubbles.
