How would you test presence ar starch in leaves?
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By first boiling them in alcohol to de starch them and then putting iodine on it if it turns blue black in colour then starch is present in it otherwise not.
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- Step A fresh leaf is taken
- step the leaf is boiled in water for few seconds to soften the cells of the leaf
- step now dip the leaf in iodine solution
step the color of the leaf will change into blue Black color when iodine is added to it which shows the presence of starch in it
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