हिंदी

What are the similarities between Soap and synthetic detergent.

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प्रश्न

What are the similarities between Soap and synthetic detergent.

समानताएं
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उत्तर

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).
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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 15: Materials we Use - Exercise [पृष्ठ ९७]

APPEARS IN

बालभारती General Science Integrated [English] Standard 7 Maharashtra State Board
अध्याय 15 Materials we Use
Exercise | Q 3. (b) (i) | पृष्ठ ९७
बालभारती General Science [English] Standard 7 Maharashtra State Board
अध्याय 15 Materials We Use
Exercise | Q 3. 2 | पृष्ठ १०३

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


Hard water is not available for an experiment. Some salts are given below :

(I) Sodium chloride

(II) Sodium sulphate

(III) Calcium chloride

(IV) Calcium sulphate

(V) Potassium chloride

(VI) Magnesium sulphate

Select from the following group of these salts, each member of which may be dissolved in water to make it hard.

(A) I, II, V

(B) I, III, V

(C) III, IV, VI

(D) II, IV, VI


Distinguish between esterfication and saponification reaction with the help of the chemical equations for each. 


While studying the saponification reaction, what do you observe when you mix an equal amount of colourless vegetable oil and 20% aqueous solution of NaOH in a beaker?
(A) The colour of the mixture has become dark brown
(B) A brisk effervescence is taking place in the beaker
(C) The outer surface of the beaker has become hot
(D) The outer surface of the beaker has become cold


What are the raw materials required for making soap in a laboratory (or at home)?


Why is common salt (sodium chloride) added during the preparation of soap?


The soap molecule has a ______.


Soap is a salt of ______ and sodium hydroxide.


What are the three main constituents of soap?


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