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प्रश्न
Differentiate between Toilet soap and Laundry soap.
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उत्तर
| Toilet Soap | Laundry Soap |
| It has high-quality fats and oils as raw materials. | It has low-quality fats and oils as raw materials. |
| Expensive perfumes are added to these soaps. | Cheap perfumes are added to these soaps. |
| To avoid skin injuries, special care is taken to ensure that there is no free alkali. |
No such care is taken. |
| Fillers are absent. | Fillers are present. |
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संबंधित प्रश्न
Describe in brief the cleansing action of soap.
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
A student requires hard water for an experiment in his laboratory which is not available in the neighbouring area. In the laboratory there are some salts, which when dissolved in distilled water can convert it into hard water. Select from the following groups of salts, a group, each salt of which when dissolved in distilled water will make it hard.
(A) Sodium chloride, Potassium chloride
(B) Sodium sulphate, Potassium sulphate
(C) Sodium sulphate, Calcium sulphate
(D) Calcium sulphate, Calcium chloride
Explain esterification reaction with the help of a chemical equation. Describe an activity to show esterification.
What are the raw materials required for making soap in a laboratory (or at home)?
Give reasons for the following observation:
Use of synthetic detergents causes pollution of water.
Explain the process of preparation of soap in laboratory.
Why is soap not suitable for washing clothes when the water is hard?
The soap molecule has a ______.
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
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?
What are detergents chemically? List two merits and two demerits of using detergents for cleansing. State the reason for the suitability of detergents for washing, event in the case of water having calcium and magnesium ions.
Name three chemicals responsible for the surface activity of various detergents.
What are the differences between Bath soap and soap for washing clothes?
TFM in soaps represents ______ content in soap.
The alkaline hydrolysis of fatty acids is termed as ______
Analogy:
Used to join components: Adhesives:: Clean the body ______.
In the soap micelles
