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प्रश्न
Arrange the following statements in correct sequence
- Pour that solution into an empty matchbox, soap can be obtained after drying.
- Take the necessary quantity of water in a jar.
- Then add coconut oil drop by drop and stir it well.
- Add concentrated sodium hydroxide in the jar and allow it to cool.
- Try this soap to wash your hand kerchief.
- Cover your work area with old newspaper.
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उत्तर
6. Cover your work area with old newspaper.
2. Take necessary quantity of water in a jar.
4. Add concentrated sodium hydroxide in the jar and allow it to cool.
3. Then add coconut oil drop by drop and stir it well.
1. Pour that solution into an empty matchbox, soap can be obtained after drying.
5. Try this soap to wash your hand kerchief.
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संबंधित प्रश्न
Which of the following sets of materials can be used for conducting a saponification reaction for the preparation of soap?
(a) Ca(OH)2 and neem oil
(b) NaOH and neem oil
(c) NaOH and mineral oil
(d) Ca(OH)2 and mineral oil
Explain the formation of scum when hard water is treated with soap.
Explain the cleansing action of soap. Draw diagrams to illustrate your answer.
What is meant by ‘surface activity’?
Name three chemicals responsible for the surface activity of various detergents.
What are the differences between Soap and synthetic detergent?
What are the three main constituents of soap?
The alkaline hydrolysis of fatty acids is termed as ______
______ are substances which can undergo chemical changes to produce certain materials.
Why do soaps not work effectively in hard water?
