Uploaded August 2017 | Updated September 2026, 5 hours ago
The calcium and magnesium salts of a soap are not water soluble. The precipitate formed when the soap preciitates with water can be used to check the water hardness.
The calcium and magnesium salts of a soap are not water soluble. The precipitate formed when the soap preciitates with water can be used to check the water hardness.








