6/23/25, 4:09 PM
Chemical and Physical Digestion
Angelica cebanu
Monday, June 23, 2025 at 4:09:08 PM EDT
about:srcdoc Page 1 of 22
, 6/23/25, 4:09 PM
Angelica cebanu
Activity 1
Data Table 1. Starch Tests
Tests Identity Starch present? Observations
(+ or -)
Water + iodine-
Test Tube 1 potassium +
iodide
Water + potato
starch + iodine-
Test Tube 2 +
potassium
iodide
Water +
albumin
solution +
Test Tube 3 +
iodine-
potassium
iodide
Unknown A honey +
Unknown B milk -
Unknown C vegetable oil -
about:srcdoc Page 2 of 22
, 6/23/25, 4:09 PM
Angelica cebanu
Activity 1 Step 5 Photos
Insert the photos of the test tubes containing your starch tests. Use a white background to
visualize the color.
One photo should show the following:
The positive and negative control starch tests
Labels on each test tube (1-3)
The other photo should show the following:
The unknown starch tests using food items
Labels of the food in each test tube
about:srcdoc Page 3 of 22
Chemical and Physical Digestion
Angelica cebanu
Monday, June 23, 2025 at 4:09:08 PM EDT
about:srcdoc Page 1 of 22
, 6/23/25, 4:09 PM
Angelica cebanu
Activity 1
Data Table 1. Starch Tests
Tests Identity Starch present? Observations
(+ or -)
Water + iodine-
Test Tube 1 potassium +
iodide
Water + potato
starch + iodine-
Test Tube 2 +
potassium
iodide
Water +
albumin
solution +
Test Tube 3 +
iodine-
potassium
iodide
Unknown A honey +
Unknown B milk -
Unknown C vegetable oil -
about:srcdoc Page 2 of 22
, 6/23/25, 4:09 PM
Angelica cebanu
Activity 1 Step 5 Photos
Insert the photos of the test tubes containing your starch tests. Use a white background to
visualize the color.
One photo should show the following:
The positive and negative control starch tests
Labels on each test tube (1-3)
The other photo should show the following:
The unknown starch tests using food items
Labels of the food in each test tube
about:srcdoc Page 3 of 22
