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Q. Washing soda is chemically called as:
Answer: Sodium carbonate
Notes: Washing soda is Sodium carbonate (Na2CO3). It is synthetically produced in large quantities from salt (sodium chloride) and limestone by a method known as the Solvay process. Pure sodium carbonate is a white, odorless powder that is hygroscopic (absorbs moisture from the air), has an alkaline taste, and forms a strongly alkaline water solution.
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