General Science • ChemistryEasy
What is the common chemical name for washing soda?
A. Sodium bicarbonate
B. Sodium carbonate decahydrate✓ Correct Answer
C. Sodium hydroxide
D. Sodium chloride
💡 Solution & Explanation
Washing soda is chemically known as sodium carbonate decahydrate, containing ten water molecules of crystallization bonded to sodium carbonate. Sodium bicarbonate functions as baking soda, whereas sodium hydroxide is caustic soda used in industrial manufacturing. This compound effectively removes temporary and permanent hardness from water by precipitating calcium and magnesium ions.
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