The experiment illustrated was assembled and then left for 30 minutes. The membrane allows sugar and water through but does not allow starch or protein through. After 30 minutes, samples of the water in the beaker were tested using Benedict’s reagent, biuret reagent and iodine solution. What colours would be produced in these tests?
- ABenedict’s test: blue; biuret test: violet; iodine test: blue-black
- BBenedict’s test: red; biuret test: blue; iodine test: brown
- CBenedict’s test: red; biuret test: blue; iodine test: blue-black
- DBenedict’s test: red; biuret test: violet; iodine test: brown