Question
Download Solution PDFThe chemical formula of washing soda is _______.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Na2CO3. 10H2O.
Key Points
- Washing soda is a white crystalline powder that is used in laundry detergents and as a water softener.
- The chemical formula of washing soda is Na2CO3.10H2O, which means it contains two sodium atoms, one carbon atom, three oxygen atoms, and ten water molecules.
- Ca(OH)2 is calcium hydroxide, which is used in construction, as a flocculant in wastewater treatment, and as a food additive.
- Na2SO4 is sodium sulfate, which is used in the manufacture of detergents, glass, and paper, as well as in the textile and leather industries.
- NaHCO3 is sodium bicarbonate, which is used as a leavening agent in baking and as an antacid to treat heartburn.
Additional Information
- Sodium Carbonate is the chemical name for ‘washing soda’ (Na2CO3.10H2O.).
- It is the water-soluble sodium salt of carbonic acid.
- It is well known domestically for its everyday use as a water softener.
- Washing soda is produced using Solvay's process.
- The process includes the reaction of Sodium Chloride with ammonia, and carbon dioxide, in water.
- Carbon Dioxide is produced through calcium carbonate from which calcium oxide that gets left is used in ammonia recovery from ammonium chloride.
- NaHCO3 is Sodium Bicarbonate.
Last updated on Jul 8, 2025
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