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Why does the presence of acid and baking soda together in baking powder make cake fluffy?

Answer and explanation

Correct answer: Because carbon dioxide gas is released

Baking powder contains sodium hydrogen carbonate and a mild edible acid. During mixing and heating, the acid reacts with sodium hydrogen carbonate and releases carbon dioxide: acid + NaHCO3 → salt + water + CO2. The gas expands and forms bubbles that remain in the batter, making the cake light and fluffy. Therefore option C is correct; the other gases are not produced.

Related tags

Baking-PowderCarbon-DioxideAcid-Base-ReactionCakeClass10AcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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