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Iodine is used as a indicator for the presence of starch. Since flour is starch it would turn purple or blue-black, which would indicate the presence of starch.

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What happens when iodine is added to bread?

When iodine is added to bread, it reacts with the starch present in the bread. This reaction causes the iodine to turn a blue-black color, allowing for the detection of starch. This can be used as a test to check if the bread contains starch as an ingredient.


What happens when you put iodine solution on crisps?

Crisps are made from potatoes which are very high in starch. When iodine is added to starch it forms a complex with it and results in a purplish color. you get the same thing if you put an iodine sol'n on bread or cornstarch.


Does bread have iodine in it?

Only some bread has iodine in it. If the bread was made with iodized salt, then the bread has iodine; otherwise, no.


Is bread iodine solution a physical or chemical change?

Mixing bread with iodine solution to observe a color change is a physical change as it does not alter the chemical composition of the bread or the iodine solution. The color change occurs due to a physical interaction between the starch in the bread and the iodine molecules.


What happens when iodine is added to rice?

ok, the rice will turn black when you put with iodine. It just like burning, but it is faster then fire!


Bread gives black-blue color with the iodine why?

bread gives black-blue or deep blue color with iodine because starch is present in bread. ...


What happens if you put a drop of iodine on a piece of paper?

If you put a drop of iodine on a piece of paper, it will react with starch on the paper turning it blue-black. This is a common test for the presence of starch.


What colour does bread go when you add iodine solution?

Bread turns blue-black when iodine solution is added due to the presence of starch. The iodine reacts with the starch molecules in the bread, forming a complex that gives this characteristic color change.


Starch in burnt bread?

It depends on what time of bread as some may have more or less. If you wanted to find out then you would need Iodine and the bread you wanted to test and the iodine chart. All starches are carbohydrates. At the moment there's no way to find out the starch without the equipment but as bread is starchy then the carbohydrate contact of it may help you when you compare


What happens if you put Iodine in a gas tank?

Putting iodine in a gas tank can lead to engine damage and potentially cause the vehicle to stop functioning. Iodine is corrosive and can react with the metal components in the engine, leading to serious damage. It is not recommended to put iodine in a gas tank under any circumstances.


Would the iodine solution change colour when it is tested on a slice of bread?

No, iodine solution will not change color when tested on a slice of bread. Iodine solution reacts with starch, turning it blue-black. Bread does not contain starch in high enough amounts to produce a noticeable color change.


What happens when you put iodine on noodles?

Iodine is a poison. It can also cause skin damage. It also will cause the noodles to change to a blue black color