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प्रश्न
Give two examples for Efflorescent substance.
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उत्तर
Washing soda and glauber’s salt (Na2SO4.10 H2O)
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संबंधित प्रश्न
What is the effect on boiling point of water when impurity is added.
Give two examples of hydrated substances.
Define the Soft water.
Name the compound responsible for temporary hardness.
Name three water borne diseases.
Differentiate between Temporary & permanent hard water with suitable examples.
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.
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.
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?
