Question
Download Solution PDFAccording to World Health Organization, the soft water has 0 to _____ milligram per litre as CaCO3.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFClassification of water-based on the presence of Calcium carbonate
- 0 to 60 mg/L (milligrams per liter) as CaCO3: Soft
- 61 to 120 mg/L (milligrams per liter) as CaCO3: Moderately hard
- 121 to 180 mg/L (milligrams per liter) as CaCO3: Hard; and
- More than 180 mg/L (milligrams per liter) as CaCO3: very hard.
Last updated on Jun 16, 2025
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