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Question
Water, coconut oil, and _______ are necessary for soap preparation.
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Solution
Water, coconut oil, and animal fat are necessary for soap preparation.
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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
Would you be able to check if water is hard by using a detergent?
State one use of esterfication process.
While studying the saponification reaction, what do you observe when you mix an equal amount of colourless vegetable oil and 20% aqueous solution of NaOH in a beaker?
(A) The colour of the mixture has become dark brown
(B) A brisk effervescence is taking place in the beaker
(C) The outer surface of the beaker has become hot
(D) The outer surface of the beaker has become cold
What are the raw materials required for making soap in a laboratory (or at home)?
Which one of the following sets of materials can be used to prepare soap?
(A) Neem oil and calcium hydroxide
(B) Castor oil and sodium hydroxide
(C) Mineral oil and sodium hydroxide
(D) Neem oil and magnesium hydroxide
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?
______ are substances which can undergo chemical changes to produce certain materials.
