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Why does it turn dark purple when you mix cornstarch with iodine?
Wiki User
∙ 13y ago
some kind of chemical reaction
Wiki User
∙ 13y ago
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What happens if you add iodine drops to a non-starch?
If you add iodine to starch the start will turn to a dark color blue/blk because of the enzyne Amylase (in starch), so if it is non starch there will not be a reaction and it will be clear.
What is the positive color reaction starch is present?
Use an iodine solution. it should be orange to brown to begin with, if there is a starch present, it will turn blue-black.
What is the chemical indicator for starch and what color does starch turn in its presence?
the chemical indicator used is iodine and starch turns in dark blue colour ARE U HAPPIEE WID MA ANSWER ? THANKU
What color is iodine on litmus paper?
The water solution of iodine turn blue litmus paper to red.
Will a bi blue puppy pink nose turn black?
Puppy noses do turn black or dark brown. We've never seen a dog with a pink nose.
What happens to iodine when mixed with cornstarch?
The mixture turn into a dark shade of purple.
These dark crystals turn into a purple vapour when heated?
Iodine
What color does iodine turn when you do an experiment for starch?
dark blue - purple
What dark crystals turn into purple vapour when they are heated?
Iodine crystals
Why do iodine and cornstarch turn purple when mixed together?
The ion I(3-) penetrate the molecule of amylose; the complex formed is blue.
What color does iodine turn if a starch is present?
It turns a dark purple/black.
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.
What colour does iodine solution turn when starch is presant?
It turns a dark purple/blue colour
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 color does iodine turn when it is reacted with starches?
purple
Does sugar turn blue when mixed with iodine?
No it turns purple.
What chemicals turn purple cabbage juice pink?
IODINE
