Advertisements
Advertisements
प्रश्न
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in water.
Advertisements
उत्तर
Washing soda Na2CO3 exchanges ions [SO4]– and Cl– and do not make water hard.
APPEARS IN
संबंधित प्रश्न
What do you observe when Washing soda is exposed to air ?
Define the Hard water.
Suggest one method for the removal along with the reaction for permanent hardness of water.
What are the advantages of hard water.
Explain with equation, what is noticed when permanent hard water is treated with Washing soda.
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 prove the advantage of detergent over soap.
Write a note on ion exchange.
What is the reason for the hardness of water?
