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What makes iodine turn purple?
when iodine is added to a substance it turns dark blue when starch is present, and remains brown when starch is not present. This is basically because iodine forms a polypeptide complex with starch, resulting in the dark blue solution.
Turns color in the presence of starch?
Dark blue very, near to black
What happens when iodine is added to carrot?
The colour of the iodine will turn from yellowish brown to dark blue
What colour does iodine go in the presence of starch?
dark blue/black
What color does iodine turn when you do an experiment for starch?
dark blue - purple
What color is starch with iodine solution?
it is a yellowish/orange colour but when iodine is present, than it will turn an dark-blue/black colour
What happens if you add iodine to potato?
the color of the potato will become dark blue
What colour is iodine solution?
Iodine is a dark purpley-black solid at room temperature. It is purple in a hydrocarbon solvent. It is yellowish-brown in water.
What is iodine used as an indicator for?
Iodine is used as an indicator for starch. When a substance has iodine added to it, then it will turn into a dark blue color. This is a sign that the substance indeed has starch in it.
What color is iodine?
Iodine is purple.As a gas iodine is approx. violet or purple, as solid is very brown.Brown if no starch on plant. Dark blue if there is starch on plant.
What do you observe when you observe a potato stained with iodine?
If the iodine on/in the potato turns dark blue/purple/black, it means the iodine has reacted to the starch in the potato and has changed color.
Will cooked rice turned dark blue with iodine solution?
Yes -cooked rice has starch present which is a natural indicator for Iodine
