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Which gas is released when hydrogen carbonate reacts with an acid?

Answer and explanation

Correct answer: Carbon dioxide

The governing concept is the reaction of a hydrogen carbonate, or bicarbonate, with an acid. It forms a salt, water, and carbon dioxide; for example, NaHCO₃ + HCl → NaCl + H₂O + CO₂. Hence option A is correct. The gas may be confirmed because it turns limewater milky. Hydrogen is generally produced when a reactive metal reacts with an acid, while chlorine and oxygen are not products of this reaction.

Related tags

Acids Bases SaltsHydrogen CarbonateBicarbonateCarbon DioxideLimewaterClass 10 ScienceAcidsBasesAnd SaltsAcids Bases And Salts

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