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प्रश्न
Name three chemicals responsible for the surface activity of various detergents.
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उत्तर
Chemicals responsible for the surface activity of various detergents are alkylbenzene sulphonate, alcohol ethoxy sulphates and alkyl sulphates.
संबंधित प्रश्न
Distinguish between esterfication and saponification reaction with the help of the chemical equations for each.
______ is better than soap for washing clothes when the water is hard.
Describe the structure of a soap molecule with the help of a diagram.
Give the reason of formation of scum when soaps are used with hard water.
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?
Explain the action of soap in removing an oily spot from a piece of cloth.
Give a scientific explanation.
Soap forms a precipitate in hard water.
Answer the following question.
In three test tubes A, B, and C, three different liquids namely, distilled water, underground water and distilled water in which a pinch of calcium sulphate is dissolved, respectively are taken. Equal amount of soap Answer is added to each test tube and the contents are shaken. In which test tube will the length of the foam (lather) be longest? Justify your answer.
______ to remove strong strains on the clothes.
- Write the formula and draw electron dot structure of carbon tetrachloride.
- What is saponification? Write the reaction involved in this process.
