Soft water has a low mineral content, specifically low concentrations of calcium carbonate (CaCO₃), usually in the range of 30-60 mg/litre.
In soft water, concentration of CaCO₃ is ______.
Asked in Sanitary Inspector Examination 2023 · Topic: Water Conservation (Wastewater Treatment, Recycling, and Reuse)
More Environment and Ecology questions
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