Question

iodine can be used to test the presence of .......... vitamins or fats or proteins or carbohydrates​

Answer 1

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The iodine solution is used to detect the presence of the carbohydrates in the solution. Generally, the test is performed to detect the presence of starch which is a carbohydrate. When there is presence of starch in the sample solution, the colour of the solution turns bluish black after the addition of the iodine solution