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प्रश्न
TFM in soaps represents ______ content in soap.
पर्याय
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
Why do soaps not form lather in hard water?
In the neighbourhood of your school, hard water required for an experiment is not available. Select from the following group of salts available in your school, a group each member of which, if dissolved in distilled water, will make it hard:
(a) Sodium chloride, calcium chloride
(b) Potassium chloride, sodium chloride
(c) Sodium chloride, magnesium chloride
(d) Calcium chloride, magnesium chloride
Would you be able to check if water is hard by using a detergent?
What is the advantage of detergents over soaps for washing clothes?
A student takes 4 mL of distilled water in each of four test tubes I, II, III and IV, and then dissolves an equal amount of four different salts namely NaCl in I, CaCl2 in II, MgCl2 in III and KCl in IV. He then adds 8 drops of the given soap solution to each test tube and shakes the contents of the test tube 10 times. In which test tubes will enough lather (foam) be formed ?
(A) I and II
(B) II and III
(C) I and IV
(D) III and IV
Why are soaps not suitable for washing clothes when the water is hard?
Soap is a salt of ______ and sodium hydroxide.
How will you check with the help of soap powder whether water is hard?
Analogy:
Used to join components: Adhesives:: Clean the body ______.
- Write the formula and draw electron dot structure of carbon tetrachloride.
- What is saponification? Write the reaction involved in this process.
