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प्रश्न
What are soaps?
उत्तर
Soaps are sodium or potassium salts of long-chain fatty acids, used as cleansing agents that help remove grease and dirt when mixed with water.
संबंधित प्रश्न
Explain the formation of scum when hard water is treated with soap.
What change will you observe if you test soap with litmus paper (red and blue)?
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
Fill in the following blank with suitable word:
The sodium salt of a long chain fatty acid is called .............
Explain the process of preparation of soap in laboratory.
Why is common salt (sodium chloride) added during the preparation of soap?
The soap molecule has a ______.
What is a soap?
What is meant by 'surface activity'?
Explain why synthetic detergents are superior to soap.
