Question: what is the difference between arm and hammer baking soda and washing soda?
Answer: The difference between baking soda and washing soda is water and carbon dioxide. Seriously. ... Washing soda's chemical makeup is Na2CO3 (2 sodium, 1 carbon, and 3 oxygen molecules). When baking soda is heated up to high temperatures, it breaks down to become washing soda, water steam, and carbon dioxide.