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प्रश्न
The saponification of a fat or oil is done using _____ solution for hot process.
विकल्प
Ammonium hydroxide
Sodium hydroxide
Hydrochloric acid
Sodium chloride
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उत्तर
The saponification of a fat or oil is done using hydrochloric acid solution for the hot process.
APPEARS IN
संबंधित प्रश्न
Describe in brief the cleansing action of soap.
Explain the formation of scum when hard water is treated with soap.
Why is common salt (sodium chloride) added during the preparation of soap?
Describe the structure of a soap molecule with the help of a diagram.
What is the difference between the chemical composition of soaps and detergents? State in brief the action of soaps in removing an oily spot from a shirt. Why are sops not considered suitable for washing where water is hard?
Answer the following question.
In three test tubes A, B, and C, three different liquids namely, distilled water, underground water and distilled water in which a pinch of calcium sulphate is dissolved, respectively are taken. Equal amount of soap Answer is added to each test tube and the contents are shaken. In which test tube will the length of the foam (lather) be longest? Justify your answer.
Soap is a salt of ______ and sodium hydroxide.
What are the differences between Bath soap and soap for washing clothes?
Explain why soap cannot be used in hard water.
Explain why often coloured spots are formed on clothes during washing.
