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Why is sodium hydrogen carbonate used to make food items rise during cooking?

Answer and explanation

Correct answer: It releases carbon dioxide on heating

Sodium hydrogen carbonate, or baking soda, decomposes on heating: 2NaHCO3 → Na2CO3 + H2O + CO2. The released carbon dioxide forms bubbles in dough or batter, and these bubbles expand during cooking, making the food rise and become porous. Oxygen is not the gas responsible, and water removal or hardening does not explain the leavening effect.

Related tags

Baking-SodaCarbon-DioxideFood-ChemistryAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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