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Why do fallen leaves not turn blue black on being tested with iodine?
Fallen leaves contain starch, which is broken down into simple sugars through the process of photosynthesis. When iodine is applied to the leaves, it reacts with the presence of starch and turns a deep blue-black color. If the leaves have undergone this breakdown process due to being detached from the tree, they will not turn blue-black with iodine testing as they no longer contain significant amounts of starch.
Why do green leaves turn blue black when iodine is added?
because the leaves have photosynthesized- glucose is produced. therefore, the excess glucose is converted to starch. The starch is then stored in the leaf-starch is what causes the "green" leaf to turn blue black, as iodine turns blue-black when it reacts with starch.:P
Are pumpkins blue before orange?
No, they are not blue before appearing orange. What in the world blue?!
What is the use of indigo plant leaves?
Indigo plant leaves are used to extract a blue dye that is used for coloring textiles. The dye extracted from the leaves is known for its rich blue color and has been used for centuries in traditional textile dyeing processes.
Why did the leaf turn blue black when iodine was added in the starch test?
The leaf turned blue-black in the starch test because iodine forms a complex with starch molecules, resulting in the blue-black color change. This color change indicates the presence of starch in the leaf tissue.
Can blueberries turn you blue?
nope.
What type of fossils do blue whales turn into?
they dont turn into fossils stupid
Why do fallen Leaves not turn blue-black on being tested with iodine?
When the leaves fall down the supply of chlorophyll is stopped
Why do Smurf turn purple?
They dont. They only stay blue.
Why do en leaves not turn blue backby iodine?
En leaves do not turn blue-black with iodine because they do not contain starch, which is what iodine reacts with to produce the characteristic color change. Starch is a carbohydrate produced by plants through photosynthesis, so leaves that do not contain starch will not show the blue-black color reaction with iodine.
Why do green leaves turn blue-black when iodine is added?
because there is starch present
What can you do to get the white leaves on your plant to turn green again?
once they get white, there is no way to turn them green again. May be you can manage the new leaves togrow healthier. However, I dont know how to do that:)
Why do fallen leaves not turn blue black on being tested with iodine?
Fallen leaves contain starch, which is broken down into simple sugars through the process of photosynthesis. When iodine is applied to the leaves, it reacts with the presence of starch and turns a deep blue-black color. If the leaves have undergone this breakdown process due to being detached from the tree, they will not turn blue-black with iodine testing as they no longer contain significant amounts of starch.
What color does anthocyanin turn leaves?
Red. Anthocyanin turns leaves red. Yes, it is spelled correctly!
What eucalyptus has blue and pink leaves?
No species of eucalyptus has blue and pink leaves. Some species, such as the Blue gum, have leaves which are a grey/green/blue colour.
Why do green leaves turn blue black when iodine is added?
because the leaves have photosynthesized- glucose is produced. therefore, the excess glucose is converted to starch. The starch is then stored in the leaf-starch is what causes the "green" leaf to turn blue black, as iodine turns blue-black when it reacts with starch.:P
Name a color you'd be surprised to see a tree's leaves turn in fall?
blue, green, pink, black, white
