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What is the chemical name of washing soda?

Answer and explanation

Correct answer: Sodium carbonate decahydrate

Washing soda is sodium carbonate decahydrate, written as Na₂CO₃·10H₂O. The word decahydrate means that each formula unit of sodium carbonate is associated with ten molecules of crystallisation water. Therefore option A is correct. Sodium hydrogen carbonate is baking soda, calcium oxychloride is bleaching powder, and calcium sulphate hemihydrate is plaster of Paris.

Related tags

Washing SodaSodium CarbonateWater Of CrystallisationAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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