Assertion: baking powder's reaction | /r/HasProperty | heated in the oven
Facets:
Source sentences:
text: Most baking powder available in the U.S. today is double acting, meaning its first reaction occurs when combined with liquid to help aerate the batter or dough and a second more slow-acting reaction occurs when heated in the oven.
text: Double-acting" baking powder, which is the most commonly available baking powder, contains two acids: one that reacts when in contact with liquid and one that reactions when heated in the oven.