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प्रश्न
How will you distinguish between soft water and hard water?
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उत्तर
Hard water... is water that contains an appreciable quantity of dissolved minerals (like calcium and magnesium). Soft water is treated water in which the only ion is sodium. As rainwater falls, it is naturally soft. On the other hand, soft water tastes salty and is sometimes not suitable for drinking.
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संबंधित प्रश्न
What is the effect on boiling point of water when impurity is added.
Suggest one method for the removal along with the reaction for permanent hardness of water.
Temporary hardness of water can be removed by
Explain the permutit method for softening hard water.
Give balanced equation to show how temporary hardness in water can be removed by boiling.
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in water.
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.
Permanent hardness of water is due to the presence of _______.
Name the process by which temporary hardness is easily removed from the water.
