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प्रश्न
Permanent hardness of water is due to the presence of _______.
पर्याय
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.
Suggest one method for the removal along with the reaction for temporary hardness.
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 balanced equation to show how temporary hardness in water can be removed by boiling.
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.
Give two natural sources of hard water.
Temporary hardness of water can be removed by ________ of water.
Name the process by which temporary hardness is easily removed from the water.
