Advertisements
Advertisements
प्रश्न
What do you observe when Washing soda is exposed to air ?
Advertisements
उत्तर
Washing soda (Na2CO3.10H2O) is a white crystalline substance and on exposure to air it gets changed to white powder.
shaalaa.com
Removal of Hardness of Water
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Define the Hard water.
Boiling removes the ................ hardness of water.
Temporary hardness of water can be removed by
State the disadvantages of using hard water.
Explain the permutit method for softening hard water.
How will you distinguish between soft water and hard water?
Give balanced equation to show how temporary hardness in water can be removed by boiling.
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in water.
Give two natural sources of hard water.
Temporary hardness of water can be removed by
