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What colour does the iodine go when placed on a leaf that does not contain starch

What colour does the iodine go when placed on a leaf that does not contain starch
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What colour does the iodine go when placed on a leaf that does not contain starch

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User Smack
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6 votes

Answer:

It goes blue/black if starch isn't present.

Step-by-step explanation:

answered
User Shavana
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In the presence of starch, iodine turns to a blue/black colour. When starch is absent, iodine solution remains yellow/brown.
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User Jim Paris
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