Yes, it will become purple or blue by adding iodine due to the presence of starch in the cells.
it depends on how much iodine you add to the milk.
Manganese in the glass causes it to turn purple when exposed to prolonged periods of sunlight. Around 1915 they stopped adding manganese in the glass. After this date it remains clear.
Bernard Courtois was extracting saltpetre from seaweed ashes and accidentally discovered iodine in 1811 when he accidentally added sulfuric acid to the mix and the resulting purple vapors condensed into solid crystals of iodine.
Purple !! :) x
iodine is soluble in CHCl3. Liquid become purple in color.
I am doing a science project that calls for purple iodine. I have looked everywhere and I can not find it. Pleae help. Where can I purchase purple iodine?
The color of solid iodine is a dark purple.
Iodine is a purple-black non metal that changes to a deep purple gas when heated.
The purpose of adding iodine solution to the onion cell is to stain the cell's starch granules. Starch granules will appear blue-black when iodine solution is added, allowing for easy visualization of the presence of starch in the cell.
The purple gas formed when heating solid iodine in a test tube is iodine vapor. Iodine sublimes directly from a solid to a gas when heated, turning into a purple gas that condenses back into solid iodine crystals when cooled.
Why does the food change purple when iodine is put in it.
The shiny nonmetal that gives off purple vapors is iodine. When heated, solid iodine sublimes directly into a purple vapor without first turning into a liquid.