when iodine is added to a substance that contains starch, what happens?

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when iodine is added to a substance that contains starch, what happens?

2006-12-04 08:02:11 · 4 answers · asked by ashlee l 1 in Science & Mathematics ➔ Botany

4 answers

The Iodine test is used to test for the presence of starch. Iodine solution - iodine dissolved in an aqueous solution of potassium iodide - reacts with starch producing a deep blue-black color

2006-12-04 08:11:38 · answer #1 · answered by s_veronica80 2 · 0⤊ 0⤋

the substance changes to a bluish black colour.
God bless, gabe

2006-12-04 20:20:45 · answer #2 · answered by gabegm1 4 · 0⤊ 0⤋

It turns purple.

2006-12-04 16:05:41 · answer #3 · answered by Aggie80 5 · 0⤊ 0⤋

it turns like blackish

2006-12-04 18:04:35 · answer #4 · answered by iAmJustMe 2 · 0⤊ 0⤋