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Question
What are the differences between Soap and synthetic detergent?
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Solution
| Soap | Synthetic detergent | |
| 1. | Soaps are sodium salts of fatty acids (hard soap) or potassium salts of fatty acids (soft soap). | Synthetic detergents are made from raw materials such as fats or kerosene. |
| 2. | They can be used only with soft water. | They can be used with both soft and hard water. |
RELATED QUESTIONS
A student requires hard water for an experiment in his laboratory which is not available in the neighbouring area. In the laboratory there are some salts, which when dissolved in distilled water can convert it into hard water. Select from the following groups of salts, a group, each salt of which when dissolved in distilled water will make it hard.
(A) Sodium chloride, Potassium chloride
(B) Sodium sulphate, Potassium sulphate
(C) Sodium sulphate, Calcium sulphate
(D) Calcium sulphate, Calcium chloride
______ is better than soap for washing clothes when the water is hard.
Why is common salt (sodium chloride) added during the preparation of soap?
What is the advantage of detergents over soaps for washing clothes?
Explain the cleansing action of soap. Draw diagrams to illustrate your answer.
What are detergents chemically? List two merits and two demerits of using detergents for cleansing. State the reason for the suitability of detergents for washing, event in the case of water having calcium and magnesium ions.
Explain why soap cannot be used in hard water.
Soaps were originally made from ______.
Water, coconut oil, and _______ are necessary for soap preparation.
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.
