Question

which one of the following sets of materials can be used to prepare soap?
a. neem oil and caoh
​b. castor oil and naoh
​c. mineral oil and naoh
d. neem oil and mgoh

Answer 1

Dear student

Mineral oil cannot be used for soap as it makes the soap greasy and oily. It is not saponifiable.

Castor oil is used as a source of vegetable oils which, on reaction with warm concentrated alkali, form soaps .

so as NaOH is a strong base, soap can be formed...

Answer is B.

Regards