The difference between saponification value and acid value is____________________?
Correct answer: A. Called ester value
- A. Called ester value
- B. Always negative
- C. Constant for all fatty oils
- D. None of these
Explanation
Saponification value measures the alkali needed to hydrolyse both esters and free fatty acids, while acid value measures only the free fatty acids. Their difference is therefore the ester value.
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