Saponification number of an oil or fat____________________?
Correct answer: D. All A , B. & C.
- A. Gives an idea about its molecular weight
- B. Is inversely proportional to its molecular weight
- C. Detects its adulteration
- D. All A , B. & C.
Explanation
The saponification number measures the alkali needed to hydrolyse a fixed mass of fat, so it is inversely related to the average molecular mass of its fatty acids. An abnormal value can also indicate adulteration, making all three statements valid.
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