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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
उत्तर
The saponification of a fat or oil is done using hydrochloric acid solution for the hot process.
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संबंधित प्रश्न
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?
Why does micelle formation take place when soap is added to water? Will a micelle be formed in other solvents such as ethanol also?
State one use of saponification process.
What are the raw materials required for making soap in a laboratory (or at home)?
A student is testing water to know which is best for cleansing purposes with soaps. He would find that the cleansing action of soaps is best when he uses water obtained from
(a) rain
(b) tap
(c) hand pump
(d) pond
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.
Match the following
| 1. | Soap | C6H5 OH |
| 2. | Cement | CaSO4.2H2O |
| 3. | Fertilizers | NaOH |
| 4. | Gypsum | RCC |
| 5. | Phenol | NPK |
What are the two different types of molecules found in the soap?
What are soaps?
What are the similarities between Soap and synthetic detergent.
