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the iodine will react with carbohydrate to give different color .

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13y ago

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What is the principle reason for the iodine test?

The principle reason for the iodine test is to detect the presence of starch. Iodine reacts with starch and forms a dark blue or black complex, allowing for easy visualization of the presence of starch in a sample.


What is the principles of iodine test?

-What is the principle reason for the iodine test?Answer:-This test is used to test for starch prenest in a given solution orIodine test is a test used to determine the presence of starch in a particular substance.A positive result will yield the purple-black color.For example, adding a few drops of iodine solution to potato will seem purple-black color in this solution --->This means that the potato contains starch.by:Abdullah nasser Al-naffar


What is the Principle involved in Keller-Kilianis Test?

The Keller-Kilianis test is based on the principle of iodine forming a blue color in the presence of starch. The test is used to detect the presence of reducing sugars in a solution, with the starch acting as an indicator to visually show the reaction.


What is the purpose for iodine test?

The purpose of the iodine test is to detect the presence of starch. Iodine reacts with starch molecules and forms a blue-black color, allowing for visual identification of the presence of starch in a sample.


What is the chermical you test for starch?

Iodine solution is commonly used to test for the presence of starch. When iodine solution is added to a substance containing starch, the mixture turns blue-black in color, indicating the presence of starch.


What is the iodine test used to test for?

The iodine test is used to test for the presence of starch. Iodine solution interacts with the starch molecules, causing a color change from brownish-yellow to blue or black.


How can one effectively test iodine?

To effectively test iodine, one can use a starch test. This involves adding a few drops of iodine solution to a sample and observing if a blue-black color appears, indicating the presence of iodine.


Does iodine test for sugars?

Yes, the iodine test can be used to test for the presence of starch, not sugars. Iodine reacts with starch to form a blue-black color, indicating its presence. Sugars typically do not react with iodine in this way.


What does iodine detect?

The iodine test is used to test for starch. It reacts with starch to produce a purple blackish color.


How do you test for starch in yam?

The iodine test is applicable.


Why iodine test is negative with starch?

When iodine test is negative with starch, it means that there is no color change observed. This is because starch molecules do not react with iodine in the absence of amylose, which is the component of starch that forms a blue complex with iodine. Therefore, the absence of amylose in the sample results in a negative iodine test with starch.


What is the chemical used to test for the presence of starch?

The chemical used to test for the presence of starch is iodine.