Answer :

Soap does not work properly when hard water is used. Hard water contains salt of calcium and magnesium. When soap is added with hard water, a large amount of soap in water reacts with the calcium and magnesium ions of hard water to form an insoluble precipitate called scum. This makes the cleaning of clothes difficult.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :
What are the raw matLakhmir Singh & Manjit Kaur - Chemistry
How is soap made? WrLakhmir Singh & Manjit Kaur - Chemistry
Why are carbon and iLakhmir Singh & Manjit Kaur - Chemistry
Why have detergents Lakhmir Singh & Manjit Kaur - Chemistry
Which of the two is Lakhmir Singh & Manjit Kaur - Chemistry
What is a detergent?Lakhmir Singh & Manjit Kaur - Chemistry
What is a soap? NameLakhmir Singh & Manjit Kaur - Chemistry
What is saponificatiLakhmir Singh & Manjit Kaur - Chemistry