1. Hydroxyl groups in oil
  2. Alkali content in oil
  3. Unsaturation in oil
  4. Carboxylic groups in oil
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1 Answers

Answer: Option 3

Iodine value can be used to measure the degree of unsaturation of oils and fats. The results are normally expressed as the number of grams of iodine absorbed by 100 g of oil or fat, considering the conditions of the test.

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