Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
381 views
in Chemistry by (51.5k points)
closed by

Why scum is formed when soap is treated with hard water?

1 Answer

+1 vote
by (56.2k points)
selected by
 
Best answer

Scum is an insoluble precipitate formed due to the reaction of soap with calcium and magnesium salts present in hard water. As a result, soap does not form lather in hard water, making its cleansing action less effective in hard water.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...