Question

Name the sodium compound which is used for softening hard water

NCERT Class 10th Science Chapter 2 Acids Bases and Salts

Answer 1

washing soda (Na2 CO3.10H2o) is hydrated sodium carbonate which is used for softening hard water

Answer 2

Sodium carbonate is used for softening hard water.

Explanation:

• Hard water can be defined as any water which does not form scum with soap. Hence such water is unfit for domestic use and for drinking purpose.  

• So the hardness of water needs to be treated. Sodium carbonate in the form of washing soda is used to break the hardness of water.  

• The soluble salts react with washing soda and hence the newly formed compound precipitate and the water can be separated by centrifugation. The water so formed is good for domestic use.

Learn more about Sodium carbonate

Sodium carbonate and sodium sulphate form aqueous solution true or false

https://brainly.in/question/6583086

How to distinguish between sodium carbonate and sodium sulphate using a reagent?

https://brainly.in/question/6274450