Question

As part of a science experiment, Jose did a test for starch on a slice of apple and a slice of potato. The yellow-orange iodine solution stayed the same color when it was put on the apple, but it became black on the potato.
Why did the iodine solution change color on the potato?

Answer 1

Answer:

iodine solution changed color on the potato due to the presence of starch in potato. Iodine reacts with starch to give blue black color