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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
Describe in brief the cleansing action of soap.
In the neighbourhood of your school, hard water required for an experiment is not available. Select from the following group of salts available in your school, a group each member of which, if dissolved in distilled water, will make it hard:
(a) Sodium chloride, calcium chloride
(b) Potassium chloride, sodium chloride
(c) Sodium chloride, magnesium chloride
(d) Calcium chloride, magnesium chloride
What change will you observe if you test soap with litmus paper (red and blue)?
State one use of esterfication process.
______ is better than soap for washing clothes when the water is hard.
What is the advantage of detergents over soaps for washing clothes?
Distinguish between esterification and saponification reactions of organic compounds.
Differentiate between:
Detergents and Soaps.
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?
Explain why often coloured spots are formed on clothes during washing.
