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Washing soda is hydrated

a) Sodium hydrogen carbonate

b) Sodium carbonate

c) Slaked carbonate

d) Calcium hydrogen carbonate

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Correct answer is (b) Sodium carbonate

Explanation: Sodium carbonate, also known as washing soda, is an inorganic compound with the chemical formula Na2CO3. It is a white, odorless, water-soluble solid that exists in two main forms: anhydrous (without water) and hydrated (with water). The hydrated form, Na2CO3·10H2O, is more commonly known as washing soda.

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