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प्रश्न
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in water.
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उत्तर
Washing soda Na2CO3 exchanges ions [SO4]– and Cl– and do not make water hard.
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संबंधित प्रश्न
What is the effect on boiling point of water when pressure is increased?
What is the effect on boiling point of water when impurity is added.
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 Hard & soft water with suitable examples.
Give balanced equation to show how temporary hardness in water can be removed by boiling.
Give balanced equations to show how permanent hardness in water can be removed by addition of washing soda.
Using given sample of temporary and permanent hard water, soft water, ordinary soap, detergent and washing soda how would you distinguish between hard and soft water?
Give two natural sources of hard water.
Permanent hardness of water is due to the presence of _______.
