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प्रश्न
Differentiate between:
Detergents and Soaps.
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उत्तर
Differentiate between: Detergents and soaps
| Detergents | Soaps | ||
| i. | Detergents are generally ammonium or sulphonate salts of long-chain carboxylic acids. | i. | Soaps are sodium or potassium salts of long-chain carboxylic acids. |
| ii. | Detergents have a strong cleansing action. | ii. | Soaps have relatively weak cleansing action. |
| iii. | Oils or fats are not used in their manufacture, usually, petrochemicals are used to produce detergents. | iii. | Vegetable oils or animal fats are used along with hydroxide of sodium or potassium to manufacture soaps. |
| iv. | They function well in hard or soft water. | iv. | They do not work well in had water but work well in soft water. |
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संबंधित प्रश्न
Both soap and detergent are some type of salts. What is the difference between them?
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
Explain the formation of scum when hard water is treated with soap.
Fill in the following blank with suitable word:
The sodium salt of a long chain fatty acid is called .............
Fill in the following blank with suitable word:
............. is better than soap for washing clothes when the water is hard.
What change will you observe if you test soap solution with a litmus paper (red and blue)? Give reason for your observation.
Use of synthetic detergents causes pollution of water.
Explain the process of preparation of soap in laboratory.
Why have detergents replaced soap as a washing agent?
What is the advantage of detergents over soaps for washing clothes? Also state one disadvantage.
The chemical which is not required for the preparation of soap in the laboratory is:
(a) vegetable oil
(b) baking soda
(c) caustic soda
(d) common salt
Give the reason of formation of scum when soaps are used with hard water.
Consider the following oils :
(I) Mobil oil
(II) Castor oil
(III) Turpentine oil
(IV) Kerosene
(V) Mustard oil
(VI) Coconut oil
Which of these can be used for prepartion of soap?
(a) I, II, III, VI
(b) II, V, VI
(c) II, III, V, VI
(d) II, III, VI
Explain why soap cannot be used in hard water.
We are using ______ to remove strong stains on the clothes.
______ to remove strong strains on the clothes.
______ are substances which can undergo chemical changes to produce certain materials.
In the soap micelles
What are soaps?
