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

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