Question

Hi
Reference = If any substance contains starch it changes to _______ colour. ​

Answer 1

Explanation:

• When iodine solution were added to rice water, the solution turned blue black because of the presence of starch. When iodine comes in contact with starch, it forms starch Iodide complex because iodine gets stuck in the beta coils in the structure of amylose of starch. The starch iodide complex gives blue-black colour.

hope you understand it bro do hardwrok all the best

Answer 2

Answer:

If any substance contains starch it changes to blue-black or purple colour.