shaalaa.com
S

Solution - Soaps and Detergents

Account
User


Login
Register


      Forgot password?
Share
Notifications

View all notifications
Books Shortlist
Your shortlist is empty

Question

A student takes about 4 ml of distilled water in four test tubes marked P, Q, R and S. He then dissolves in each test tube an equal amount of one salt in one test tube, namely sodium sulphate in P, potassium sulphate in Q, calcium sulphate in R and magnesium sulphate in S. After that he adds an equal amount of soap solution in each test tube. On shaking each of these test tubes well, he observes a good amount of lather (foam) in the test tube marked

(A) P and Q

(B) Q and R

(C) P, Q and S

(D) P, R and S

Solution

You need to to view the solution
Is there an error in this question or solution?

Similar questions VIEW ALL

Differentiate between Toilet soap and Laundry soap.

view solution

Hard water is not available for an experiment. Some salts are given below :

(I) Sodium chloride

(II) Sodium sulphate

(III) Calcium chloride

(IV) Calcium sulphate

(V) Potassium chloride

(VI) Magnesium sulphate

Select from the following group of these salts, each member of which may be dissolved in water to make it hard.

(A) I, II, V

(B) I, III, V

(C) III, IV, VI

(D) II, IV, VI

view solution

Describe in brief the cleansing action of soap.

view solution

Explain the formation of scum when hard water is treated with soap.

view solution

What change will you observe if you test soap with litmus paper (red and blue)?

view solution
Solution for concept: Soaps and Detergents. For the course 8th-10th CBSE
S