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It turns blue-black if starch is present.
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∙ 11y ago
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How do you know that the ascorbic acid is gone from the solution as you are adding iodine?
When the iodine turns from brown to blue/black. We did this experiment in school a couple of months ago
How does the SN1 reaction in this experiment cause the acid-base indicator phenolphthalein to change color?
The displacement of chloride or bromide by and iodine ion in an acetone based solution will cause this type of reaction to happen in this experiment.
What would happen if you added three drops of iodine to an onion?
I did this experiment and after a while the onion cell became incredibly easier to see.
What element has atomic number of 53?
Iodine is a halogen. Single atom has 53 protons.
Is iodine tincture same as weak iodine?
Tincture of iodine is a mixture of iodine dissolved in a potassium iodide solution. Iodine is the pure compound. At room temperate, iodine is quite unstable and tends to sublime. The tincture of iodine KI3 is used to stabilize iodine in certain experiments and as a reagent.
Why iodine place in dark color bottles?
iodine is volatile in nature,in the presence of light iodine degraded & degradation of iodine disturb the experiment
What color does iodine turn when you do an experiment for starch?
dark blue - purple
How do you know that the ascorbic acid is gone from the solution as you are adding iodine?
When the iodine turns from brown to blue/black. We did this experiment in school a couple of months ago
What are some little known facts about iodine?
Iodine is used in practical experiments such as the onion cell experiment. Iodine will help make the cells visible. Iodine, should it be spilt on skin, can stain skin and will take quite some time to wash off.
How is iodine important in living things?
iodine is test for starch it can also help us do experiment and also to check is carbon diocide is presence and it only works on plant which have die
What effect does iodine have when added directly to a leaf in an experiment?
it becomes blue black showing that starch is present.
What is the importance of iodine test in enzymes?
The iodine test is used to detect starch (proteins) and enzymes are made up of proteins The Iodine test can be used to see if any of the enzymes are in the product you get after an experiment breaking down a substance with the required enzyme. The iodine will turn black/ blue if starch is present.
Why does iodine turn food blue?
I did this experiment at my middle school and any food that turns blue has carbohydrates in it. Ifi t doesn't change colour then it has no carbohydrates.
Are braces necassary?
depends on the person teeth
Is it necassary to take full bath after intercourse?
No.
What performs necassary activities for the cell?
The Nucleus
Is this necassary to remove hips hair in Islam?
no
