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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
Differentiate between Toilet soap and Laundry soap.
List two problems that arise due to the use of detergents instead of soaps.
A student takes about 4 ml of distilled water in four test tubes marked P, Q, R and S. He then dissolves in each test tube an equal amount of one salt in one test tube, namely sodium sulphate in P, potassium sulphate in Q, calcium sulphate in R and magnesium sulphate in S. After that he adds an equal amount of soap solution in each test tube. On shaking each of these test tubes well, he observes a good amount of lather (foam) in the test tube marked
(A) P and Q
(B) Q and R
(C) P, Q and S
(D) P, R and S
Explain the formation of scum when hard water is treated with soap.
Why is soap not suitable for washing clothes when the water is hard?
Explain the cleansing action of soap. Draw diagrams to illustrate your answer.
What is a soap?
Distinguish between esterification and saponification reactions of organic compounds.
Explain why synthetic detergents are superior to soap.
In the soap micelles
