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प्रश्न
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
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उत्तर
hydrocarbon ends directed towards the centre and ionic ends directed outwards
In a soap micelle, the soap molecules are arranged radially with the hydrocarbon ends, i.e. hydrophobic, directed towards the centre; and, ionic ends, i.e. hydrophilic, directed outwards.
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संबंधित प्रश्न
Both soap and detergent are some type of salts. What is the difference between them?
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
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)?
Distinguish between esterfication and saponification reaction with the help of the chemical equations for each.
State one use of esterfication process.
What are the raw materials required for making soap in a laboratory (or at home)?
______ is better than soap for washing clothes when the water is hard.
Explain the process of preparation of soap in laboratory.
Give any two differences between soaps and detergents.
What is the advantage of detergents over soaps for washing clothes?
The soap molecule has a ______.
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
How will you check with the help of soap powder whether water is hard?
What are the differences between Bath soap and soap for washing clothes?
The alkaline hydrolysis of fatty acids is termed as ______
How does soap clean clothes?
- Write the formula and draw electron dot structure of carbon tetrachloride.
- What is saponification? Write the reaction involved in this process.
