How will you check with the help of soap powder whether water is hard?

1.	How will you check with the help of soap powder whether water is hard?
Answer» 1. In the hard water, (of a well or a tube-well), soap does not give lather but forms a scum. 2. As a result, soap loses its cleansing property. So with help of soap we will come to know that it is a hard water.

Answer»

1. In the hard water, (of a well or a tube-well), soap does not give lather but forms a scum.

2. As a result, soap loses its cleansing property. So with help of soap we will come to know that it is a hard water.

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