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प्रश्न
Permanent hardness of water is due to the presence of _______.
विकल्प
sulphates and chlorides
dust particles
carbonates and bicarbonates
other soluble particles
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उत्तर
Permanent hardness of water is due to the presence of sulphates and chlorides.
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संबंधित प्रश्न
Give reason for It is difficult to cook in hills compared to plain.
Define the Soft water.
Define the Hard water.
Suggest one method for the removal along with the reaction for temporary hardness.
What are the advantages of soft water.
What are the advantages of hard water.
State the disadvantages of using hard water.
Differentiate between Hard & soft 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.
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.
