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Question
What are the similarities between Soap and synthetic detergent.
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Solution
| 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). |
RELATED QUESTIONS
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
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
Would you be able to check if water is hard by using a detergent?
Why is soap not suitable for washing clothes when the water is hard?
Give any two differences between soaps and detergents.
A student is testing water to know which is best for cleansing purposes with soaps. He would find that the cleansing action of soaps is best when he uses water obtained from
(a) rain
(b) tap
(c) hand pump
(d) pond
What is the difference between soaps and detergents? State, in brief, the cleansing action of soaps in removing an oily spot from a fabric. Why are soaps not very effective when a fabric is washed in hard water? How is this problem resolved?
We are using ______ to remove strong stains on the clothes.
Analogy:
Used to join components: Adhesives:: Clean the body ______.
The soap molecule has a
