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प्रश्न
What are the differences between Soap and synthetic detergent?
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उत्तर
| Soap | Synthetic detergent | |
| 1. | Soaps are sodium salts of fatty acids (hard soap) or potassium salts of fatty acids (soft soap). | Synthetic detergents are made up of raw materials like fats or kerosene. |
| 2. | They can be used only with soft water. | They can be used with both soft and hard water. |
संबंधित प्रश्न
List two problems that arise due to the use of detergents instead of soaps.
While preparing soap a small quantity of common salt is generally added to the reaction mixture of vegetable oil and sodium hydroxide. Which one of the following may be the purpose of adding common salt?
(A) To reduce the basic nature of the soap
(B) To make the soap neutral
(C) To enhance the cleansing power of the soap
(D) To favour the precipitation of the soap
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.
Explain esterification reaction with the help of a chemical equation. Describe an activity to show esterification.
State one advantage of soaps over detergent.
Which of the two is better for washing clothes when the water is hard: soap or detergent? Give reason for your answer.
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
Soaps were originally made from ______.
The alkaline hydrolysis of fatty acids is termed as ______
