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Which product is not formed when baking soda is heated?

Answer and explanation

Correct answer: Sodium hydroxide

Baking soda is sodium hydrogen carbonate, NaHCO₃. On heating, it undergoes thermal decomposition: 2NaHCO₃ → Na₂CO₃ + CO₂ + H₂O. Thus sodium carbonate, carbon dioxide, and water are the three products formed. Sodium hydroxide does not appear in this balanced equation and is therefore the product that is not formed. This is a decomposition reaction, not a neutralisation reaction.

Related tags

Baking-SodaThermal-DecompositionChemical-EquationAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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