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Class 10ScienceChemical Substances – Nature and BehaviourAcids, Bases, and SaltsMedium
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What products are formed when dilute hydrochloric acid is added to sodium carbonate?

Answer and explanation

Correct answer: Sodium chloride, water and carbon dioxide

The governing rule is that an acid reacts with a carbonate to produce a salt, water and carbon dioxide. Here, hydrochloric acid reacts with sodium carbonate: Na2CO3 + 2HCl → 2NaCl + H2O + CO2. Thus sodium chloride, water and carbon dioxide are formed, so option B is correct. Option A omits carbon dioxide, while C and D contain substances not supplied by the reactants.

Related tags

CarbonateHydrochloric-AcidCarbon-DioxideNeutralisationAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour
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  1. 1What type of substance turns blue litmus paper red?
  2. 2What type of substance turns red litmus paper blue?
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