Answers

2015-12-21T17:12:30+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Here is your answer:
Soaps are potassium or sodium of long chain carboxylic acids. It can make water hard after reacting with magnesium or calcium salts. So when we use soap and hard water, the amount of lather that is produced is very small. The hard water produces an insoluble precipitate known as skum  
0