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

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

Name three water borne diseases.

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 enters into water.

Give balanced equations to show how permanent hardness in water can be removed by addition of washing soda.

Fill in the blank:

Hard and soft water can be distinguished using _____.

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

Give two natural sources of hard water.

Temporary hardness of water can be removed by ________ of water.

What is the reason for the hardness of water?