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Iodine tests for the presence of starch. It is brownish yellow in color if there is no starch present, and bluish black if starch is present.

Benedict's solution is used to test for the presence of a reducing sugar, changing from its usual color blue to green to brick red if reducing sugars are present. No reducing sugar solution stays blue.

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Q: What does iodine and Benedict's test indicate?
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Related questions

What does a negative Benedicts test indicate?

A negative Benedict's test would indicate that there isn't any presence of reducing sugars in that particular substance.


What do the result of the iodine test indicate about the composition of the endosperm?

The iodine test will detect the presence of starch in the endosperm.


Which is more sensitive test fehlings test or Benedicts test?

benedicts test


How do you test for each type of organic molecule in foods?

The Qualitative tests for each of the macronutrients are as follows: Carbohydrates - Iodine test and/or Benedicts test Proteins - Biuret test Fats - Ethanol (Emulsion) test


Which colour indicate a negetive test when starch is absent?

If you're using iodine, a negative test will be the color of the iodine solution, which should be a brownish color.


What test show hydrolysis of proteins?

benedicts test


Do eggs test positive in benedicts test?

yes


What indicators are used for each molecule simple sugars starches lipids proteins?

simple sugars- benedicts starches- iodine protein- biuret lipid- brown paper bag test


What are the Benedicts test results for Gatorade?

penis


Why would a negative iodine test for starch indicate a positive result for the enzymatic degradation of starch by amylase?

Perhaps the iodine solution was old and gave a false negative.


What is the test for sugar using Benedicts solution?

prosrdure of benidect solution test


What color does sugar turn when you add iodine to it?

Iodine test is a procedure that tells whether a certain element or the such contains starch (or sugar) in it.In this test, we add iodine solution (with, possibly, KI reagent) to a material [in your case, sugar]. If starch ispresent, a blue-black, somehow purple, color will result, changing the initial color of iodine. If starch amylase (sugar) is NOT present, the color will remain orange/yellowish.