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प्रश्न
What do you observe when Washing soda is exposed to air ?
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उत्तर
Washing soda (Na2CO3.10H2O) is a white crystalline substance and on exposure to air it gets changed to white powder.
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संबंधित प्रश्न
What is the effect on boiling point of water when pressure is increased?
Name the compound responsible for temporary hardness.
Name the compound responsible for permanent hardness of water.
Suggest one method for the removal along with the reaction for temporary hardness.
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?
State the causes of hardness in water.
What is permanent hardness of water? How can it be removed?
Temporary hardness of water can be removed by
