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प्रश्न
What are the differences between Bath soap and soap for washing clothes?
उत्तर
| Sr. No. | Bath soap | Soap for washing clothes |
| 1. | It is a type of soft soap and is used for bathing purposes. | It is a type of hard soap and is used for washing clothes. |
| 2. | Soft soaps are a potassium salt of fatty acids. It does not cause irritation of the skin. | Hard soap is a sodium salt of fatty acids. |
संबंधित प्रश्न
Describe in brief the cleansing action of soap.
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?
The chemical which is not required for the preparation of soap in the laboratory is:
(a) vegetable oil
(b) baking soda
(c) caustic soda
(d) common salt
Write an answer to the following question.
Name three chemicals responsible for the surface activity of various detergents.
Explain why synthetic detergents are superior to soap.
Explain why often coloured spots are formed on clothes during washing.
The saponification of a fat or oil is done using _____ solution for hot process.
The alkaline hydrolysis of fatty acids is termed as ______
______ molecules go and join with dirt and oil in the cloth.
- Write the formula and draw electron dot structure of carbon tetrachloride.
- What is saponification? Write the reaction involved in this process.
