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प्रश्न
TFM in soaps represents ______ content in soap.
विकल्प
mineral
vitamin
fatty acid
carbohydrate
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उत्तर
TFM in soaps represents fatty acid content in soap.
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संबंधित प्रश्न
A student takes about 4 ml of distilled water in four test tubes marked P, Q, R and S. He then dissolves in each test tube an equal amount of one salt in one test tube, namely sodium sulphate in P, potassium sulphate in Q, calcium sulphate in R and magnesium sulphate in S. After that he adds an equal amount of soap solution in each test tube. On shaking each of these test tubes well, he observes a good amount of lather (foam) in the test tube marked
(A) P and Q
(B) Q and R
(C) P, Q and S
(D) P, R and S
What change will you observe if you test soap solution with a litmus paper (red and blue)? Give reason for your observation.
Give reasons for the following observation:
Use of synthetic detergents causes pollution of water.
What is a soap?
Describe the structure of a soap molecule with the help of a diagram.
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.
What is the difference between soaps and detergents? State, in brief, the cleansing action of soaps in removing an oily spot from a fabric. Why are soaps not very effective when a fabric is washed in hard water? How is this problem resolved?
What are the two different types of molecules found in the soap?
We are using ______ to remove strong stains on the clothes.
The soap molecule has a
