Question

How can you detect the hardness of water collected from different sources

Answer 1

Step-by-step explanation:

you can detect the hardness of water collected from different sources by using soap. Soaps can be used to check the hardness of water as it forms insoluble precipitate with hard water.

Answer 2

We can detect the hardness of water taken from different sources by adding soap to it.

Step-by-step explanation:

If the soap does not form micelle in the water then it will be hard water. In simple language if the soap doesnot disslove in water then it will be soft water.