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Question
Soap is a salt of ______ and sodium hydroxide.
Options
white cement
soap
detergent
wearing of bones
tooth decay
hard
soft
Portland
fatty acid
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Solution
Soap is a salt of fatty acid and sodium hydroxide.
RELATED QUESTIONS
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
Why does micelle formation take place when soap is added to water? Will a micelle be formed in other solvents such as ethanol also?
What is the advantage of detergents over soaps for washing clothes? Also state one disadvantage.
Describe the structure of a soap molecule with the help of a diagram.
What is a soap?
Give a scientific explanation.
Soap forms a precipitate in hard water.
What are the differences between Bath soap and soap for washing clothes?
Soaps were originally made from ______.
The alkaline hydrolysis of fatty acids is termed as ______
We are using ______ to remove strong stains on the clothes.
