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What is the chemical name of washing soda?

Answer and explanation

Correct answer: Sodium carbonate decahydrate

Washing soda is the hydrated salt sodium carbonate decahydrate, written as Na₂CO₃·10H₂O. The ten water molecules are called water of crystallisation and are part of the crystal structure. Therefore option A is correct. Sodium hydrogen carbonate is baking soda, calcium oxychloride is bleaching powder, and calcium sulphate hemihydrate is plaster of Paris, so those alternatives name different compounds.

Related tags

Washing SodaChemical NameHydrated SaltAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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