Give Reason for the Following: Washing Soda Can Be Used to Remove Both Temporary and Permanent Hardness in Water. - Chemistry

Give reason for the following:

Washing soda can be used to remove both temporary and permanent hardness in water.

One Line Answer

Washing soda Na₂CO₃ exchanges ions [SO₄]^– and Cl^– and do not make water hard.

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Removal of Hardness of Water

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Chapter 8: Water - Objective Type Questions

Chapter 8 Water
Objective Type Questions | Q 4.5

What is the effect on boiling point of water when impurity is added.

Give reason for It is difficult to cook in hills compared to plain.

Define the Hard water.

How will you distinguish between soft water and hard water?

Give balanced equation to show how temporary hardness enters into water.

Give balanced equation to show how temporary hardness in water can be removed by boiling.

Give reason for the following:

Hardness in temporary water can be removed by boiling, but hardness in permanent hard water cannot.

Explain the meaning of the terms – hard water & soft water.

What are the methods of removing hardness of water?

Write a note on ion exchange.