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प्रश्न
Name three water borne diseases.
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उत्तर
(1) Cholera (2) Typhoid (3) Hepatitis
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Removal of Hardness of Water
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
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संबंधित प्रश्न
Give two examples for Efflorescent substance.
What do you observe when Washing soda is exposed to air ?
Name the compound responsible for temporary hardness.
Temporary hardness of water can be removed by
What do you understand by
Soft water
What are the advantages of hard water.
Explain the permutit method for softening hard 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.
Fill in the blank:
Hard and soft water can be distinguished using _____.
Permanent hardness of water is due to the presence of _______.
