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प्रश्न
Temporary hardness of water can be removed by
पर्याय
filtering
boiling
loading
none of the above
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उत्तर
boiling
APPEARS IN
संबंधित प्रश्न
Give two examples for Efflorescent substance.
Boiling removes the ................ hardness of water.
Give balanced equations to show how permanent hardness in water can be removed by addition of washing soda.
Give reason for the following:
Hardness in temporary water can be removed by boiling, but hardness in permanent hard water cannot.
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in 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.
State the causes of hardness in water.
A sample of water is given in a trough. State how would you prove experimentally whether the given sample is hard water or soft water.
What is permanent hardness of water? How can it be removed?
Write a note on ion exchange.
