Question

write an experiment to test the starch food .​

Answer 1

Answer:

Put a cracker on a plate, and test it for starch using a drop of the iodine solution. Chew a second cracker for 60 seconds until it is completely mixed with saliva. Spit out the chewed cracker onto another plate, and add a drop of iodine. You may be surprised to observe that the iodine no longer changed colors.

Answer 2

Answer:

There are many types of carbohydrates. The main carbohydrates found in our food are in the form of starch and sugars. We can easily test if a food item contains starch.

1. Take small quantity of the food items to be tested.

2.Put 2-3 drops of iodine solution on it.

3.Observe the colour of the food item.

4.Blue-black colour indicates the presence of starch in the tested food item.