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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
What mineral leaves black grease on your hands?
The mineral that can leave black grease on your hands is coal. It contains carbon compounds that can rub off as a black residue on your skin.
What is the compound SSe2?
SSe2 is the chemical formula for disulfur diselenide, a compound containing sulfur and selenium. It is a black solid with a layered structure and is used in semiconductor materials and as a lubricant in some applications.
If iodine is poured on a sample of starch it will change to?
Iodine will change the color of starch to a blue-black color. This reaction is used as a simple test to detect the presence of starch in a sample.
Is the Black Cherry Leaf a simple or compound plant?
A hawthorn berry being a berry does not have leaves. Hawthorn trees have compound leaves.
Are calamansi leaves simple or compound?
The black locust leaf is a simple leaf. Compound leaves have several different parts that all come together to form a single leaf.
Is black walnut leaf simple or compound?
Black walnut leaves are compound, consisting of several smaller leaflets attached to a central stem.
Is the black locust compound or simple?
The black locust leaf is a simple leaf. Compound leaves have several different parts that all come together to form a single leaf.
Is a black walnut tree simple or compound?
A black willow leaf is a simple leaf.
Is black ash simple or compound leaf?
compound
What are examples of compound leaf?
Mango tree has simple leaves. A simple leaf is not divided into leaflets.
What was the medicine on the Oregon trail?
Slippery elm and black cherry bark, leaves and berries
What are Examples of compound leaves?
Most of the Leguminous plants have compound leaves- such as pea, gram, pegion pea, green gram, black gram etc.
How can I identify a cherry tree?
You can identify a cherry tree by looking for its distinctive white or pink blossoms in the spring, its serrated leaves, and its small red or black fruit that resembles cherries.
How can one identify a cherry tree?
One can identify a cherry tree by looking for characteristics such as its distinctive white or pink flowers, serrated leaves, and small red or black fruit.
What are the examples of leaves?
Most of the Leguminous plants have compound leaves- such as pea, gram, pegion pea, green gram, black gram etc.
