Chemistry · Water and its Properties
Permanent hardness of water is primarily due to the presence of:
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- 1Carbonates of calcium and magnesium
- 2Bicarbonates of calcium and magnesium
- 3Chlorides and sulfates of calcium and magnesium✓
- 4Nitrates and phosphates of sodium and potassium
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Chlorides and sulfates of calcium and magnesium
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