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प्रश्न
Differentiate between Hard & soft water with suitable examples.
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.
APPEARS IN
संबंधित प्रश्न
Define the Hard water.
Suggest one method for the removal along with the reaction for permanent hardness of 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.
Give balanced equation to show how temporary hardness in water can be removed by boiling.
Give reason for the following:
Hardness in temporary water can be removed by boiling, but hardness in permanent hard water cannot.
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.
Permanent hardness of water is due to the presence of _______.
Name the process by which temporary hardness is easily removed from the water.
