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प्रश्न
What are the three main constituents of soap?
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उत्तर
The three main constituents of soap are Lye (Sodium hydroxide), coconut oil, and water.
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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
______ is better than soap for washing clothes when the water is hard.
The chemical mostly used in the preparation of most of the soaps we use is
(a) Sodium chloride
(b) Potassium hydroxide
(c) Sodium hydroxide
(a) Potassium chloride
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.
Explain why synthetic detergents are superior to soap.
Explain why often coloured spots are formed on clothes during washing.
The saponification of a fat or oil is done using _____ solution for hot process.
What are the two different types of molecules found in the soap?
