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प्रश्न
Explain the meaning of the terms – hard water & soft water.
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उत्तर
- Hard Water: “Water that does not lather readily with ordinary soap and hence wastes soap” is called hard water.
- Soft Water: “Water that lather readily with ordinary soap and—hence, soap is not wasted” is called soft water.
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संबंधित प्रश्न
Define the Hard water.
Name three water borne diseases.
Temporary hardness of water can be removed by
What do you understand by
Soft water
What do you understand by
Hard water
Explain with equation, what is noticed when permanent hard water is treated with Washing soda.
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 distinguish between hard and soft 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.
