Baking soda loses its potency once it's opened, even if it's transferred to an air-tight container. However, the powder will always be effective for some tasks.

Add Yahoo as a preferred source to see more of our stories on Google. a small glass dish full of baking soda sits next to a wooden spoon with baking soda in it - Luis Echeverri Urrea/Shutterstock ...

A well-stocked pantry is not complete without a fresh box of baking soda and a container of baking powder, essential ingredients for baked goods. Both are chemical leavening agents—that is, they both ...

While staying at my grandparents’ house last weekend, I was craving pancakes—until I opened the baking cupboard and found a jar of baking soda with a label from the early 2000s. Could it still work?