Explain the formation of scum when hard water is treated with soap?
Scrum is produced from the reaction of hard water with soap. Calcium and magnesium present in the hard water form an insoluble precipitate that sticks as a white which is also called a scrum.
Provide Some Important MCQ Questions for class 10 science Carbon and Its Compounds with Answers?
Explain the mechanism of the cleaning action of soaps.
Give a test that can be used to differentiate between saturated and unsaturated hydrocarbons.
Which of the following hydrocarbons undergo addition reactions: C2H6, C3H8, C3H6, C2H2 and CH4.
What is hydrogenation? What is its industrial application?