Among other uses, baking powder is used in recipes to make biscuits, muffins, or even ‘bread without yeast’. Baking powder is used as a leavening agent – enabling baked goods to ‘rise’.

When baking powder is combined with water, a chemical reaction occurs which enables its ingredients to produce carbon dioxide – which is then trapped in tiny air pockets throughout a dough or batter. When baked,
http://modernsurvivalblog.com/surviv...owder-and-why/