Question

Give a test to identify the presence of starch and fat in our food

Answer 1

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.

Take small quantity of the food items to be tested.
Put 2-3 drops of iodine solution on it.
Observe the colour of the food item.
Blue-black colour indicates the presence of starch in the tested food item.