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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
Boiling removes the ................ hardness of water.
Temporary hardness of water can be removed by
State the disadvantages of using hard water.
Explain with equation, what is noticed when permanent hard water is treated with Washing soda.
How will you distinguish between soft water and hard water?
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
