Biology for IGCSE & O level - Biological Molecules (Section 1 - No. 13)
Which of the following is the correct order of steps in the test for starch using iodine?
Add iodine solution, observe color change
Heat the sample, add iodine solution, observe color change
Add iodine solution, heat the sample, observe color change
Heat the sample, observe color change, add iodine solution.
Explanation
You simply add iodine solution and observe for a color change.
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