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प्रश्न
What are the two different types of molecules found in the soap?
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उत्तर
- Loving water molecules.
- Hating water molecules.
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संबंधित प्रश्न
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
What change will you observe if you test soap with litmus paper (red and blue)?
Use of synthetic detergents causes pollution of water.
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?
Soap is a salt of ______ and sodium hydroxide.
Explain why synthetic detergents are superior to soap.
What are the three main constituents of soap?
How does soap clean clothes?
______ are substances which can undergo chemical changes to produce certain materials.
In the soap micelles
