answersLogoWhite

0

Because it doesn't contain green pigment, chloroplast...

Green leaves changes to blue-black due to present of starch in chloroplast.

User Avatar

Wiki User

13y ago

What else can I help you with?

Related Questions

What colors does starch turn if there is a little amount present?

starch will not change its own colour but it can change the colour of iodine solution. iodine solution is originally brown. after adding starch, it will turn into dark blue.


Why does powdered sugar turn black in iodine?

it does not turn blue when mixed with iodine. I don't think there is a colour change.


What colour does iodine solution turn red litmus paper?

The color not change.


What colour changes where observed with each food tested with iodine?

It change from orange/brown colour to blue/black if starch is present


What is the colour for a plant cell's starch grains?

The colour for a plant cell's starch grains is typically blue or black when stained with iodine solution. This is due to the formation of a complex between iodine and starch, which results in the characteristic colour change.


Would the iodine solution change colour when it is tested on a slice of bread?

No, iodine solution will not change color when tested on a slice of bread. Iodine solution reacts with starch, turning it blue-black. Bread does not contain starch in high enough amounts to produce a noticeable color change.


What is the product of the reaction between starch and iodine?

The product of the reaction between starch and iodine is a blue-black complex known as iodine-starch complex. This complex forms due to the iodine molecules inserting themselves into the helical structure of starch, creating this distinctive color change.


Why does iodine change colour when starch is present?

Iodine forms a complex with starch molecules when they are present together. This complex results in a change in the electronic structure of iodine, causing it to absorb light differently and exhibit a blue-black color, contrasting with its original brown hue.


What is the colour change of pumpkin in iodine solution?

When a pumpkin is placed in an iodine solution, the starch present in the pumpkin will react with the iodine to form a dark blue or black color. This color change occurs due to the formation of a starch-iodine complex, which is a characteristic reaction used to detect the presence of starch in a substance. The intensity of the color change can vary depending on the concentration of starch in the pumpkin and the concentration of the iodine solution.


What happens when iodine is added to carrot?

The colour of the iodine will turn from yellowish brown to dark blue


Is peaches are high on starch?

No but u can test it yourself by putting a drop of iodine on a peach to check if there's a color change


What is yellow brown colour?

Iodine