Question

Rihanna tested two different foods using iodine solution and Benedict's s-

Solution
These were her results.
spaghetti - went blue-black with iodine solution, went blue
with
Benedict's solution
honey - went orange-brown with iodine solution, turned brick red
with Benedict's solution
Describe how Rhianna tested the foods with Benedict's solution.
Construct a results table and fill it in to show Rhianna's results clearl
What conclusions can Rhianna make from her results?

Answer 1

*spaghetti is a starch...it doesn't contain sugar, but honey contains sugar.

*Starch gives blue-black with iodine solution and dark blue in Benedict's reagent

*benedict solution : add benedict reagent to a test tube, then heat it (it will turn yellow-greenish) and let it cool down, if the colour changes to red, then sugar its present.

*A positive test with Benedict's reagent is shown by a color change from clear blue to brick-red

* conclusion : Honey is a carbohydrate, and spaghetti is a starch

Step-by-step explanation: