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प्रश्न
Name three chemicals responsible for the surface activity of various detergents.
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उत्तर
Chemicals responsible for the surface activity of various detergents are alkylbenzene sulphonate, alcohol ethoxy sulphates and alkyl sulphates.
संबंधित प्रश्न
In a locality, hard water, required for an experiment, is not available. However, the following salts are available in the school laboratory:
1. Sodium sulphate
2. Calcium sulphate
3. Magnesium chloride
4. Sodium chloride
5. Calcium chloride
6. Potassium sulphate
Which of the above salts may be dissolved in water to obtain hard water for the experiment?
(A) 2, 3 and 5
(B) 1, 2 and 5
(C) 1, 2, 4 and 6
(D) 3 and 5 only
Mention the essential material (chemicals) to prepare soap in the laboratory. Describe in brief the test of determining the nature (acidic/alkaline) of the reaction mixture of saponification reaction.
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
What is the difference between the chemical composition of soaps and detergents? State in brief the action of soaps in removing an oily spot from a shirt. Why are sops not considered suitable for washing where water is hard?
Give a scientific explanation.
Soap forms a precipitate in hard water.
Water, coconut oil, and _______ are necessary for soap preparation.
The alkaline hydrolysis of fatty acids is termed as ______
In the soap micelles
What are the similarities between Soap and synthetic detergent.
