COMPOUNDS IN ACTION
'(<a href="http://www.j-archive.com/media/2006-10-23_J_09.jpg" target="_blank">Sarah of the Clue Crew reports from inside a science lab.</a>)  To make cake batter rise, you need to create a chemical reaction by combining an acid like <a href="http://www.j-archive.com/media/2006-10-23_J_09a.jpg" target="_blank">buttermilk</a> with this alkaline compound--<a href="http://www.j-archive.com/media/2006-10-23_J_09b.jpg" target="_blank">NaHCO<sub>3</sub></a>'
baking soda