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Why is a mild acid mixed with baking soda in baking powder?

Answer and explanation

Correct answer: So that carbon dioxide is produced in a controlled way

Baking powder contains baking soda and a mild edible acid. When the mixture becomes wet and is heated, the acid reacts with sodium hydrogen carbonate and produces carbon dioxide. The gas forms bubbles that make baked food soft and spongy; the acid also helps prevent an unpleasant alkaline taste. Thus option A is correct. The other choices contradict the reaction because gas is formed and baking soda does not become a metal.

Related tags

Baking PowderMild AcidCarbon DioxideAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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