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प्रश्न
Water, coconut oil, and _______ are necessary for soap preparation.
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उत्तर
Water, coconut oil, and animal fat are necessary for soap preparation.
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संबंधित प्रश्न
List two problems that arise due to the use of detergents instead of soaps.
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
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
What change will you observe if you test soap with litmus paper (red and blue)?
Which of the two is better for washing clothes when the water is hard: soap or detergent? Give reason for your answer.
Give any two differences between soaps and detergents.
The soap molecule has a ______.
What is a soap?
- Write the formula and draw electron dot structure of carbon tetrachloride.
- What is saponification? Write the reaction involved in this process.
What are soaps?
