CBSE Class 10 Science 2017 · Paper 31/1/1/C · Question 30
A student wants to prepare soap in the laboratory. Which of the following sets of materials he should use ?
- (a)Neem oil and
- (b)Neem oil and
- (c)Mustard oil and
- (d)Mineral oil and
Answer
(c) Mustard oil and
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