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Question
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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Solution
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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RELATED QUESTIONS
While preparing soap a small quantity of common salt is generally added to the reaction mixture of vegetable oil and sodium hydroxide. Which one of the following may be the purpose of adding common salt?
(A) To reduce the basic nature of the soap
(B) To make the soap neutral
(C) To enhance the cleansing power of the soap
(D) To favour the precipitation of the soap
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(a) Sodium chloride
(b) Potassium hydroxide
(c) Sodium hydroxide
(a) Potassium chloride
Explain why soap cannot be used in hard water.
Explain why synthetic detergents are superior to soap.
______ to remove strong strains on the clothes.
What are the similarities between Soap and synthetic detergent.
