Hardness of water

HARDNESS OF WATER 

The property of water which prevents the leathering of soap it means it is the soap consuming capacity of water

This property is gained by water due to presence of certain salts in water such as salts of calcium, magnessium and other heavt metals like Al,Fe,and Mn dissolved in water 

Hard Water

Water is classified into two main categories on the basis of its behaviour 

And the classification of water which comes from a natural source are as follows 

1. Hard water
2. Soft water

1.  Hard water :-                                   water which contain the impurities of calcium and magnessium in it and also doesn't produces lather when treated with soap solution this kind of water is known as hard water 

e.g. :- sea water , river water 

2. Soft water :- 

The water which is free from the impurities of calcium and magnessium and it radily produces leather when treated with soap solution it is known as soft water 

e.g. :- rain water 

Rain water 

Thankyou 

By :- ADARSH GUPTA