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प्रश्न
Differentiate between Hard & soft water with suitable examples.
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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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संबंधित प्रश्न
Give two examples of hydrated substances.
Name the compound responsible for permanent hardness of water.
Temporary hardness of water can be removed by
What are the advantages of hard water.
Explain with equation, what is noticed when permanent hard water is treated with Washing soda.
How will you distinguish between soft water and hard water?
Give balanced equation to show how temporary hardness enters into water.
Using given sample of temporary and permanent hard water, soft water, ordinary soap, detergent and washing soda how would you prove the advantage of detergent over soap.
Temporary hardness of water can be removed by ________ of water.
What is the reason for the hardness of water?
