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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.
Name the compound responsible for temporary hardness.
Suggest one method for the removal along with the reaction for permanent hardness of water.
Name three water borne diseases.
Temporary hardness of water can be removed by
What do you understand by
Hard water
State the disadvantages of using 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.
Write a note on ion exchange.
