Iodine Solution

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Last updated 5:23 AM on 4/20/26
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8 Terms

1
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What does Iodine solution test for?

It tests for starch, a polysaccharide.

2
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How big should the sample be?

5 cm cubed.

3
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How should the sample be prepared?

Crush small amounts of the sample with a mortar and pestle, and mix it with distilled water in a beaker.

4
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What is the second step of the experiment?

Add 2-3 drops of iodine solution into the sample.

5
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What is the third step of the experiment?

Shake the sample.

6
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How should the sample look if there is little to no starch present?

It should be orange-brown

7
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How should the sample look if there is a high concentration of starch present?

It should be blue-black.

8
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