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Iodine turns blue in the presence of starch.

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15y ago

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What is in Iodine solution?

It tests for starch


What indicator tests for starch?

iodine.


How do you test for strach in food?

I think you mean starch and to test for it you have to use iodine and this turns black if there is starch in your food if nothing happens then there is no starch in the food.


Why do Fibrous food does not have starch?

There are fibrous foods that do contain starch. Potatoes are an example of a food that contains both starch and fiber.


Why do you test for starch?

You can test for starch in food by dropping iodine on food on an agar plate, if it turns black, it contains starch.


What are the uses of starch in the plant?

the starch is for food when needed


What does iodine solution indicate?

Iodine solution is commonly used as an indicator in starch tests. When iodine solution is added to a substance, such as food or a biological sample, it turns blue-black in the presence of starch. This color change indicates the presence of starch in the sample.


What substance does iodine solution test for?

Iodine solution tests for the presence of starch. It turns from brown to blue-black in the presence of starch.


Iodine turns what colour when its positive for starch?

Iodine turns blue-black when it tests positive for starch due to the formation of a starch-iodine complex.


Would it be possible to measure reducing sugars present in foods before and after treatment with an enzyme?

Yes, there are many tests for this, you may want to test for starch, which is adding iodine solution and seeing if the food goes black, which means that there is starch, which is a sugar :) xxx


Could you name the four important food tests?

The four important food test are: The iodine Test for Starch The Biuret test for protein The Alcochol-Emulsion test for Fats The Benedict's Test for Simple Sugars.


Where can you get starch from from food?

Corn and peas are a good source of starch