Answer:
Baking soda contains one ingredient, sodium bicarbonate. However, Baking powder contains sodium bicarbonate, monocalcium phosphate and either sodium acid pyrophosphate or sodium aluminum sulfate.
Answer:
Baking soda contains one ingredient, while baking powder has a few. Baking soda also requires an acid and a liquid to become activated (or in baking, it needs an acid and liquid to help rise) and for baking powder, it only needs a liquid to become activated (or help rise).
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