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 is the effect on boiling point of water when impurity is added.
Give two examples of hydrated substances.
Give two examples for Efflorescent substance.
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.
Fill in the blank:
Hard and soft water can be distinguished using _____.
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.
What is permanent hardness of water? How can it be removed?
Write a note on ion exchange.
