Question

what indicator is used to test for complex carbohydrates?
sudan iii
lugols iodine solution
benedicts solution
biurets solution

Explanation:

Lugol's iodine solution reacts with complex carbohydrates (starch) to produce a blue - black color. Sudan III is used for testing lipids, Benedict's solution for reducing sugars, and Biuret's solution for proteins.

Answer:

Lugol's iodine Solution