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प्रश्न
Differentiate between Toilet soap and Laundry soap.
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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
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
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 is soap not suitable for washing clothes when the water is hard?
What is a detergent? Name one detergent.
What is the advantage of detergents over soaps for washing clothes? Also state one disadvantage.
In a soap micelle, the soap molecules are arranged radially with:
(a) ionic ends directed towards the centre and hydrocarbon ends directed outwards
(b) hydrocarbon ends directed towards the centre and ionic ends directed outwards
(c) both ionic ends and hydrocarbon ends directed toward the centre
(d) both hydrocarbon ends and ionic ends directed outwards
Give the reason of formation of scum when soaps are used with hard water.
Consider the following oils :
(I) Mobil oil
(II) Castor oil
(III) Turpentine oil
(IV) Kerosene
(V) Mustard oil
(VI) Coconut oil
Which of these can be used for prepartion of soap?
(a) I, II, III, VI
(b) II, V, VI
(c) II, III, V, VI
(d) II, III, VI
Explain the action of soap in removing an oily spot from a piece of cloth.
Differentiate between:
Detergents and Soaps.
How will you check with the help of soap powder whether water is hard?
What are the differences between Soap and synthetic detergent?
The saponification of a fat or oil is done using _____ solution for hot process.
What are the three main constituents of soap?
What are the two different types of molecules found in the soap?
We are using ______ to remove strong stains on the clothes.
How does soap clean clothes?
______ are substances which can undergo chemical changes to produce certain materials.
- Write the formula and draw electron dot structure of carbon tetrachloride.
- What is saponification? Write the reaction involved in this process.
