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What is the main difference between baking soda and baking powder?

Answer and explanation

Correct answer: Baking powder contains baking soda and a mild edible acid

Baking soda is chiefly sodium hydrogen carbonate, NaHCO₃, whereas baking powder is a mixture containing baking soda and a mild edible acid, commonly such as tartaric acid, along with a suitable drying agent. When moistened and heated, the acid reacts with the bicarbonate and produces carbon dioxide. Therefore, option B is correct. Baking soda alone does not contain the added edible acid, and baking powder is neither common salt nor chemically identical to baking soda.

Related tags

Baking-SodaBaking-PowderEdible-AcidCarbon-DioxideClass10AcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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