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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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संबंधित प्रश्न
Boiling removes the ................ hardness of 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.
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 distinguish between hard and soft water?
State the causes of hardness in water.
Permanent hardness of water is due to the presence of _______.
Temporary hardness of water can be removed by ________ of water.
Name the process by which temporary hardness is easily removed from the water.
