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प्रश्न
State the disadvantages of using hard water.
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उत्तर
- It is more difficult to form lather with soap.
- Scum may form in a reaction with soap, wasting the soap.
- Carbonates of calcium and magnesium form inside kettles. This wastes energy whenever you boil a kettle.
- Hot water pipes 'fur up'. Carbonates of calcium and magnesium start to coat the inside of pipes which can eventually get blocked.
संबंधित प्रश्न
What is the effect on boiling point of water when impurity is added.
Give two examples for Efflorescent substance.
Suggest one method for the removal along with the reaction for temporary hardness.
Name three water borne diseases.
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 enters into water.
Give two natural sources of hard water.
Two samples of water are placed in a beaker individually. State how you will determine experimentally which of the two samples contains permanent hard water.
What are the methods of removing hardness of water?
