How can we obtain a decolourised leaf?
Answers
As a result, while testing for starch, we boil the leaf in alcohol to eliminate the green colour present. Transfer the leaf from boiling water to a beaker containing ethanol and boil the leaf in a water bath to decolorize it. Remove the leaf from the beaker and rinse it in room temperature water.
When testing for starch, we boil the leaf in alcohol to eliminate the green pigment chlorophyll that is present. As a result, while testing for starch, we boil the leaf in alcohol to eliminate the green colour present. Transfer the leaf from boiling water to a beaker containing ethanol and boil the leaf in a water bath to decolorize it. Remove the leaf from the beaker and rinse it in room temperature water. Place this leaf in a petri dish and cover it with a few drops of iodine solution.