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प्रश्न
Soaps were originally made from ______.
पर्याय
proteins
animal fats and vegetable oils
chemicals extracted from the soil
foam booster
उत्तर
Soaps were originally made from animal fats and vegetable oils.
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संबंधित प्रश्न
A student took four test tubes P, Q, R and S and filled about 8 mL of distilled water in each. After that he dissolved an equal amount of Na2SO4 in P, K2SO4 in Q, CaSO4 in R and MgSO4 in S. On adding an equal amount of soap solution and shaking each test tube well, a good amount of lather will be obtained in the test tubes:
(a) P and Q
(b) P and R
(c) P, Q and S
(d) Q, R and S
State one use of saponification process.
What are the raw materials required for making soap in a laboratory (or at home)?
Use of synthetic detergents causes pollution of water.
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
What is the difference between soaps and detergents? State, in brief, the cleansing action of soaps in removing an oily spot from a fabric. Why are soaps not very effective when a fabric is washed in hard water? How is this problem resolved?
Soap is a salt of ______ and sodium hydroxide.
TFM in soaps represents ______ content in soap.
______ are substances which can undergo chemical changes to produce certain materials.
The soap molecule has a
