In each of the two tests (starch and sugar) a positive and negative control was used. What was the positive control in each of the tests and what was the negative control. Explain your answers.

Answer AND Explanation:

Benedict's Reagent Data

Sample: Initial Color: Final Color: Reducing Sugar Present in Sample? dH2O Clear Blue no

Albumin clear Blue no

Milk white Orange-ish brown yes

Glucose clear red yes

Lugol's Iodine Data

Sample: Initial Color: Final Color: Starch Present in Sample

dH2O clear orange No

Albumin Clear orange No

Milk White Yellow-ish No

Starch Foggy Black Yes

Raw Potato Yellow Black yes

In each of the two tests (starch and sugar) a positive and negative control was used. Test one positive control was milk and glucose and the negative control was the albumin and dh2o1. Milk and glucose have high levels of sugar present while the others don't. The test two results were positive for potato and starch while the dh20, milk, albumin were negative