Advertisements
Advertisements
प्रश्न
What are the similarities between Soap and synthetic detergent.
उत्तर
1. | Primary Use | Both are used for cleaning, including washing clothes, dishes, and personal hygiene. |
2. | Cleaning Action | Both work by removing dirt, oils, and greases from surfaces through similar chemical mechanisms (surfactant action). |
संबंधित प्रश्न
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
Would you be able to check if water is hard by using a detergent?
State one use of saponification process.
What are the raw materials required for making soap in a laboratory (or at home)?
What change will you observe if you test soap solution with a litmus paper (red and blue)? Give reason for your observation.
In a soap micelle, the soap molecules are arranged radially with:
(a) ionic ends directed towards the centre and hydrocarbon ends directed outwards
(b) hydrocarbon ends directed towards the centre and ionic ends directed outwards
(c) both ionic ends and hydrocarbon ends directed toward the centre
(d) both hydrocarbon ends and ionic ends directed outwards
A student takes 4 mL of distilled water in each of four test tubes I, II, III and IV, and then dissolves an equal amount of four different salts namely NaCl in I, CaCl2 in II, MgCl2 in III and KCl in IV. He then adds 8 drops of the given soap solution to each test tube and shakes the contents of the test tube 10 times. In which test tubes will enough lather (foam) be formed ?
(A) I and II
(B) II and III
(C) I and IV
(D) III and IV
What is a soap?
Soaps were originally made from ______.
TFM in soaps represents ______ content in soap.