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Baking soda and Washing soda can be used for cleaning and deodorizing. This is because they absorb bad odors. However, only baking soda can be ingested. As what it says, baking soda is used for baking though only a minimal amount is needed. It is added to make the baked goods fluffier. 

Washing soda is used to clean clothes when doing the laundry. It helps absorb odor and minimize stains.