Advertisements
Advertisements
Question
TFM in soaps represents ______ content in soap.
Options
mineral
vitamin
fatty acid
carbohydrate
Solution
TFM in soaps represents fatty acid content in soap.
APPEARS IN
RELATED QUESTIONS
While preparing soap a small quantity of common salt is generally added to the reaction mixture of vegetable oil and sodium hydroxide. Which one of the following may be the purpose of adding common salt?
(A) To reduce the basic nature of the soap
(B) To make the soap neutral
(C) To enhance the cleansing power of the soap
(D) To favour the precipitation of the soap
A student takes four test tubes marked P, Q, R and S of 25 mL capacity and fills 10 mL of distilled water in each. He dissolves one spoon full of four different salts in each as − KCl in P, NaCl in Q, CaCl2 in R and MgCl2 in S. He then adds about 2 mL of a sample of soap solution to each of the above test tubes. On shaking the contents of each of the test tubes, he is likely to observe a good amount of lather (foam) in the test tubes marked
(a) P and Q
(b) R and S
(c) P, Q and R
(d) P, Q and S
Fill in the following blank with suitable word:
............. is better than soap for washing clothes when the water is hard.
What is a soap? Name one soap.
Differentiate between:
Detergents and Soaps.
How will you check with the help of soap powder whether water is hard?
What are the three main constituents of soap?
We are using ______ to remove strong stains on the clothes.
Analogy:
Used to join components: Adhesives:: Clean the body ______.
Why do soaps not work effectively in hard water?
