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प्रश्न
What are the differences between Bath soap and soap for washing clothes?
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उत्तर
| Sr. No. | Bath soap | Soap for washing clothes |
| 1. | It is a type of soft soap and is used for bathing purposes. | It is a type of hard soap and is used for washing clothes. |
| 2. | Soft soaps are a potassium salt of fatty acids. It does not cause irritation of the skin. | Hard soap is a sodium salt of fatty acids. |
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
A student takes four test tubes marked P, Q, R and S of 25 mL capacity and fills 10 mL of distilled water in each. He dissolves one spoon full of four different salts in each as − KCl in P, NaCl in Q, CaCl2 in R and MgCl2 in S. He then adds about 2 mL of a sample of soap solution to each of the above test tubes. On shaking the contents of each of the test tubes, he is likely to observe a good amount of lather (foam) in the test tubes marked
(a) P and Q
(b) R and S
(c) P, Q and R
(d) P, Q and S
Would you be able to check if water is hard by using a detergent?
Explain the formation of scum when hard water is treated with soap.
State one use of esterfication process.
What are the raw materials required for making soap in a laboratory (or at home)?
What is a detergent?
Give a scientific explanation.
Soap forms a precipitate in hard water.
The alkaline hydrolysis of fatty acids is termed as ______
Analogy:
Used to join components: Adhesives:: Clean the body ______.
