Question

Which of the following sets of materials can be used for conducting a saponification reaction for the preparation of soap ? (A) Ca (OH)2 and neein oil (B) NaOH and neem oil (C) NaOH and mineral oil (D) Ca(OH)2 and mineral oil

Answer 1

Saponification is the chemical reaction that occurs between sodium hydroxide or potassium hydroxide with any kind of fat. In the preparation of soap, saponification occurs when a strong alkali reacts with vegetable oil (or animal fat). As far as your question is concerned, the choice is pretty simple. You can always use NaOH and neem oil for the saponification process in the preparation of soap. Mineral oil cannot be used for the reaction as the resulting soap will become oily or greasy. So, the correct answer is B) NaOH and neem oil. 

Answer 2

Sodium hydroxide and neem oil....

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