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प्रश्न
Differentiate between Hard & soft water with suitable examples.
फरक स्पष्ट करा
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उत्तर
| Aspect | Hard Water | Soft Water |
| Definition | Contains a high concentration of minerals like calcium and magnesium salts. | Contains little to no dissolved minerals, primarily sodium ions. |
| Soap Reaction | Does not lather easily with soap; forms scum. | Lathers easily with soap. |
| Taste | May have a slightly metallic or salty taste. | Generally tasteless. |
| Examples | Water from wells, rivers in limestone regions. | Rainwater, distilled water. |
| Effects | Causes scaling in pipes and appliances, reduces soap efficiency. | Gentle on appliances and suitable for cleaning. |
Examples:
- Hard Water: Well water in areas with limestone deposits.
- Soft Water: Rainwater or water treated by a softener.
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Removal of Hardness of Water
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