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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.
Name the compound responsible for temporary hardness.
What are the advantages of soft water.
What are the advantages of hard water.
Explain with equation, what is noticed when permanent hard water is treated with Washing soda.
Differentiate between Temporary & permanent hard water with suitable examples.
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?
State the causes of hardness in water.
Give two natural sources of hard water.
What is permanent hardness of water? How can it be removed?
