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Question
How does baking soda differ chemically from washing soda?
Short Answer
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Solution
Baking soda is chemically sodium hydrogen carbonate (NaHCO3), whereas washing soda is sodium carbonate decahydrate (Na2CO3.10H2O). Baking soda contains hydrogen in its chemical composition, while washing soda contains ten molecules of water of crystallisation.
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Chapter 2: Acids, Bases and Salts - Exercise 3 [Page 121]
