Starch is not present. Iodine is an indicator for starch.
Blue
it depends on how much iodine you add to the milk.
Solid iodine is gray.
The reason why people add iodine to onion skin is so that its gets a color and so you can see it better.
Any reaction; iodine is used to test the contamination with starch.
No.
Adding iodine to the solution will turn it a deep blue which indicate presence of polysaccharides.
Diluted milk is milk that is diluted with water or other substance
milk
No.
The solubility of iodine in water is increased adding potassium iodide.
Yes, it will become purple or blue by adding iodine due to the presence of starch in the cells.
no