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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.
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What are the advantages of hard water.
State the disadvantages of using hard water.
Give balanced equation to show how temporary hardness enters into water.
Give balanced equation to show how temporary hardness in water can be removed by boiling.
Explain the meaning of the terms – hard water & soft water.
What are the methods of removing hardness of water?
Name the process by which temporary hardness is easily removed from the water.
