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प्रश्न
Differentiate between Toilet soap and Laundry soap.
उत्तर
| Toilet Soap | Laundry Soap |
| It has high-quality fats and oils as raw materials. | It has low-quality fats and oils as raw materials. |
| Expensive perfumes are added to these soaps. | Cheap perfumes are added to these soaps. |
| To avoid skin injuries, special care is taken to ensure that there is no free alkali. |
No such care is taken. |
| Fillers are absent. | Fillers are present. |
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संबंधित प्रश्न
Hard water is not available for an experiment. Some salts are given below :
(I) Sodium chloride
(II) Sodium sulphate
(III) Calcium chloride
(IV) Calcium sulphate
(V) Potassium chloride
(VI) Magnesium sulphate
Select from the following group of these salts, each member of which may be dissolved in water to make it hard.
(A) I, II, V
(B) I, III, V
(C) III, IV, VI
(D) II, IV, VI
People use a variety of methods to wash clothes. Usually after adding the soap, they ‘beat’ the clothes on a stone, or beat it with a paddle, scrub with a brush or the mixture is agitated in a washing machine. Why is agitation necessary to get clean clothes?
Why does micelle formation take place when soap is added to water? Will a micelle be formed in other solvents such as ethanol also?
What change will you observe if you test soap with litmus paper (red and blue)?
State one use of esterfication process.
Explain esterification reaction with the help of a chemical equation. Describe an activity to show esterification.
Explain the process of preparation of soap in laboratory.
Why is soap not suitable for washing clothes when the water is hard?
What is a detergent? Name one detergent.
Why have detergents replaced soap as a washing agent?
Which one of the following sets of materials can be used to prepare soap?
(A) Neem oil and calcium hydroxide
(B) Castor oil and sodium hydroxide
(C) Mineral oil and sodium hydroxide
(D) Neem oil and magnesium hydroxide
Why are soaps not suitable for washing clothes when the water is hard?
Soaps were originally made from ______.
Analogy:
Used to join components: Adhesives:: Clean the body ______.
______ to remove strong strains on the clothes.
______ are substances which can undergo chemical changes to produce certain materials.
The soap molecule has a
What are the similarities between Soap and synthetic detergent.
