Question

In testing of starch what substance cause the iodine to turn blue-black​

Answer 1

Answer:

Iodine

Explanation:

Iodine is not very soluble in water, therefore the iodine reagent is made by dissolving iodine in water in the presence of potassium iodide. This makes a linear triiodide ion complex with is soluble that slips into the coil of the starch causing an intense blue-black

Answer 2

Explanation:

iodine are you studying on 6th this I'm studied on 6th this chapter